1 . (9x2+16y2)রাশিটির সাথে কোনটি যোগ করলে যোগফল পূর্ণবর্গ হবে?

• A. 12xy
• B. 24xy
• C. 15xy
• D. 30xy

Answer: Option B

Explanation:

2 . x- 1 ⁄ x=5 হলে x2+1 ⁄ x2=কত?

• A. 21
• B. 27
• C. 28
• D. 29

Answer: Option B

Explanation:

3 . x =√ 3 +√2 হলে x2+1/x2 এর মান কত?

• A. 1
• B. 8√3
• C. 10
• D. 18√3

Answer: Option C

Explanation:

4 . x4-x2+1=0

• A. $৩$
• B. $২$
• C. $১$
• D. $০$

Answer: Option D

Explanation:

5 . x=5+4

• A. $36$
• B. $27$
• C. $18$
• D. $9$

Answer: Option C

Explanation:

6 . x3-1,x3+1,x4+x2+1

• A. $x^7-1$
• B. $x^7-1$
• C. $x^6-1$
• D. $x^5-1$

Answer: Option C

Explanation:

7 . x2+12=5x2

• A. $\sqrt{3}$
• B. $1$
• C. $2\sqrt{2}$
• D. $8$

Answer: Option B

Explanation:

8 . x3-6x2+11x-6

• A. $x-1$
• B. $x-2$
• C. $x-3$
• D. $x-4$

Answer: Option D

Explanation:

9 . x4-x2+1=0

• A. $3$
• B. $1$
• C. $2$
• D. $4$

Answer: Option B

Explanation:

10 . x+1x=3

• A. $\sqrt{3}-2$
• B. $1$
• C. $5$
• D. $7$

Answer: Option B

Explanation:

11 . fx=x2+1x+1

• A. $f\left(1\right)=1$
• B. $f\left(0\right)=1$
• C. $f\left(-1\right)=1$
• D. $f\left(1\right)=3$

Answer: Option D

Explanation:

12 . x2+1x2

• A. 1
• B. 0
• C. -2
• D. 2

Answer: Option A

Explanation:

13 . x4+x2+1

• A. $x^2-x+1$
• B. $x^3+1$
• C. $x+1$
• D. $x^2+x+1$

Answer: Option A

Explanation:

14 . x+1x=2

• A. 0
• B. -2
• C. -3
• D. -1

Answer: Option A

Explanation:

15 . 9x2+16y2

• A. $6xy$
• B. $12xy$
• C. $24xy$
• D. $144xy$

Answer: Option C

Explanation:

16 . x3-1, x3+1, x4+x2+1

• A. $\left(x-4\right)$
• B. $x^6-1$
• C. $\left(x-2\right)$
• D. $\left(x-3\right)$

Answer: Option B

Explanation:

17 . x4+x2+1

• A. $\left(x^2+x+1\right)\left(x^2+x-1\right)$
• B. $\left(x^2-x+1\right)\left(x^2+x-1\right)$
• C. $\left(x^2+x+1\right)\left(x^2-x+1\right)$
• D. $\left(x^2+x+1\right)\left(x+x+1\right)$

Answer: Option C

Explanation:

18 . x-1x=4

• A. 18
• B. 16
• C. 14
• D. 22

Answer: Option A

Explanation:

19 . x-1x=7

• A. 49
• B. 50
• C. 51
• D. 52

Answer: Option C

Explanation:

20 . x-1x=4

• A. 18
• B. 16
• C. 11
• D. 15

Answer: Option A

Explanation:

21 . x-1x=4

• A. 10
• B. 14
• C. 16
• D. 18

Answer: Option D

Explanation:

22 . fx=x2+1x-1-1

• A. $f\left(0\right)=\infty$
• B. $f\left(1\right)=-1$
• C. $f\left(1\right)=0$
• D. $f\left(-1\right)=-1$

Answer: Option D

Explanation:

23 . x+y=5,x+4y=4,

• A. 60
• B. 40
• C. 20
• D. 80

Answer: Option D

Explanation:

24 . x+y=5,x+4y=4,

• A. 60
• B. 40
• C. 20
• D. 80

Answer: Option D

Explanation:

25 . x4-x2+1=0

• A. 4
• B. 2
• C. 1
• D. 0

Answer: Option C

Explanation:

26 . x4-x2+1=0

• A. ৩
• B. ২
• C. ১
• D. ০

Answer: Option D

Explanation:

27 . x2+12x+3y=0

• A. (–6, −12)
• B. (6,12)
• C. (-6,12)
• D. (6,-12)

Answer: Option C

Explanation:

28 . 3x3-2x2+1=0

• A. 1
• B. -2
• C. 2
• D. কোনটিই নয়

Answer: Option B

Explanation:

29 . 16y2-9x2+18x+64y+199=0

• A. অধিবৃত্ত
• B. বৃত্ত
• C. পরাবৃত্ত
• D. উপবৃত্ত

Answer: Option A

Explanation:

30 . limx→∞x22x4+1+3x3+7+5x2+1+6x2-5

• A. 8
• B. 10
• C. 11
• D. 16

Answer: Option C

Explanation:

31 . y=x-5

• A. $\left(\frac{-16}{5},\frac{9}{5}\right)$
• B. $\left(\frac{16}{5},\frac{-9}{5}\right)$
• C. $\left(\frac{16}{5},\frac{9}{5}\right)$
• D. $\left(\frac{-16}{5},\frac{-9}{5}\right)$

Answer: Option C

Explanation:

32 . fx=xx2+1

• A. $\left(-\infty ,0\right)$
• B. $\left(-1,1\right)$
• C. $\left(0,\infty \right)$
• D. $\left(-1,\infty \right)$

Answer: Option B

Explanation:

33 . x=5+4

• A. 36
• B. 27
• C. 18
• D. 9

Answer: Option C

Explanation:

34 . x2+1/x2

• A. 10
• B. 12
• C. 14
• D. 16

Answer: Option C

Explanation:

35 . X2-3x+1=0

• A. ৩
• B. ৭
• C. ৯
• D. ১১

Answer: Option D

Explanation:

36 . x+13x

• A. 108
• B. 138
• C. 148
• D. 158

Answer: Option B

Explanation:

37 . x+1x=2

• A. -2
• B. -1
• C. -3
• D. 0

Answer: Option D

Explanation:

38 . x2+1=3x

• A. 2
• B. 1
• C. 0
• D. 3

Answer: Option B

Explanation:

39 . x2+1x2=79

• A. ± 9
• B. ± 8
• C. -9
• D. -8

Answer: Option A

Explanation:

40 . x2+1

• A. $\frac{4}{3}$
• B. $\frac{3}{4}$
• C. 4
• D. ক ও খ উভয়ই

Answer: Option D

Explanation:

41 . 1-1x=3

• A. 5
• B. 10
• C. 9
• D. 7

Answer: Option A

Explanation:

42 . x2+1x2

• A. 2
• B. -2
• C. ০
• D. 1

Answer: Option A

Explanation:

43 . x2+12=3x2

• A. $\sqrt{3}$
• B. $3\sqrt{3}$
• C. 0
• D. 1

Answer: Option C

Explanation:

44 . 2x+2x=3

• A. $\frac{1}{9}$
• B. $\frac{1}{4}$
• C. $\frac{1}{16}$
• D. $\frac{1}{3}$

Answer: Option B

Explanation:

45 . 2x+23=3

• A. $\frac{1}{4}$
• B. $\frac{1}{8}$
• C. 4
• D. 8

Answer: Option A

Explanation:

46 . x2+1x2

• A. 5
• B. 2√5
• C. 5√5
• D. কোনোটিই নয়

Answer: Option C

Explanation:

47 . x2+1=2x

• A. 2
• B. 1
• C. 0
• D. কোনোটিই নয়

Answer: Option C

Explanation:

48 . x-1x=3, x2+1x2=?

• A. 13
• B. 11
• C. 9
• D. 15

Answer: Option B

Explanation:

49 . x4+2x2+1=5x2

• A. $\sqrt{5}$
• B. $5$
• C. $2$
• D. $\sqrt{5}$

Answer: Option D

Explanation:

50 . 12x+12y=1

• A. 4
• B. 6
• C. 8
• D. 2

Answer: Option B

Explanation:

51 . x3+6x2+11x+6

• A. x + 1
• B. x + 2
• C. x + 3
• D. x + 4

Answer: Option D

Explanation:

52 . x2+1=2x

• A. 2
• B. 1
• C. 0
• D. 3

Answer: Option C

Explanation:

53 . 502cm2

• A. -4
• B. 0
• C. 4
• D. 8

Answer: Option C

Explanation:

54 . x4-x2+1=0

• A. 1
• B. 2
• C. $\sqrt{2}$
• D. 3

Answer: Option A

Explanation:

55 . x4-x2+1=0

• A. ৪
• B. ২
• C. ১
• D. ০

Answer: Option C

Explanation:

56 . x-1x=3

• A. 11
• B. 9
• C. 15
• D. 7

Answer: Option A

Explanation:

57 . x4-2x2+1=0

• A. 1
• B. 0
• C. 2
• D. 4

Answer: Option A

Explanation:

58 . x2+13x+36

• A. (x+4) (x + 9)
• B. (x + 5) (x+8)
• C. (x + 3) (x+7)
• D. (x+4) (x + 5)

Answer: Option A

Explanation:

59 . x4-x2+1=0

• A. 14
• B. 1
• C. 5
• D. 3

Answer: Option B

Explanation:

60 . x + 1x = 3

• A. $\frac{5}{3}$
• B. $\frac{4}{3}$
• C. $\frac{3}{4}$
• D. $\frac{3}{5}$

Answer: Option D

Explanation:

61 . x4-x2+1=0

• A. 1
• B. 2
• C. 0
• D. 3

Answer: Option A

Explanation:

62 . x+1x=4

• A. 16
• B. 14
• C. 12
• D. 10

Answer: Option B

Explanation:

63 . x=1-1x

• A. 1
• B. -1
• C. ± 1
• D. 2

Answer: Option B

Explanation:

64 . x1x=2,y-1y=3

• A. 10
• B. 11
• C. 12
• D. 13

Answer: Option D

Explanation:

65 . x+y=5, x+4y=4, 

• A. 60
• B. 40
• C. 20
• D. 80

Answer: Option D

Explanation:

66 . x-1/x=7

• A. 49
• B. 50
• C. 51
• D. 52

Answer: Option C

Explanation:

67 . x4-2x2+1=0

• A. 1
• B. 0
• C. 2
• D. 4

Answer: Option A

Explanation:

68 . 22x2+125

• A. $\left(\sqrt{2}x+5\right)\left(2x^2-5\sqrt{2}x-25\right)$
• B. $\left(\sqrt{2}x+5\right)\left(2x^2-5\sqrt{2}x+25\right)$
• C. $\left(\sqrt{2}x+5\right)\left(2x^2+5\sqrt{2}x-25\right)$
• D. $\left(\sqrt{2}x-5\right)\left(2x^2+5\sqrt{2}x+25\right)$

Answer: Option B

Explanation:

69 . x4-x2+1=0

• A. 2
• B. 0
• C. 1
• D. 4

Answer: Option B

Explanation:

70 . x-1x=3

• A. 5
• B. 01
• C. 11
• D. 7

Answer: Option D

Explanation:

71 . x2+1x2=38

• A. $\pm 40$
• B. $\pm 6$
• C. $\pm 7$
• D. $\pm 5$

Answer: Option B

Explanation:

72 . x=3 +2

• A. $9$
• B. $10$
• C. $12$
• D. কোনোটিই নয়

Answer: Option B

Explanation:

73 . x+1x=6

• A. $34$
• B. $32$
• C. $36$
• D. $35$

Answer: Option A

Explanation:

74 . x=3+2

• A. $০$
• B. $৫$
• C. $১০$
• D. $১৫$

Answer: Option C

Explanation:

75 . x=2+1

• A. $0$
• B. $3.33$
• C. $-2$
• D. $4$

Answer: Option B

Explanation:

76 . x2+1x2=3

• A. $16$
• B. $9$
• C. $8$
• D. $0$

Answer: Option B

Explanation:

77 . x2-3x+1=0

• A. $0$
• B. $-1$
• C. $1$
• D. $3$

Answer: Option C

Explanation:

78 . x2+1-3x=0

• A. $0$
• B. $1$
• C. $4$
• D. $10$

Answer: Option B

Explanation:

79 . x2+1x2=8

• A. $14$
• B. $16$
• C. $22$
• D. $24$

Answer: Option C

Explanation: