1 . 3x2+x+10 এর উৎপাদক কত?

• A. (x+2)(3x+5)
• B. (x-2)(3x-5)
• C. (x+2)(3x+5)
• D. (3x+2)(x-5)

Answer: Option A

Explanation:

2 . If x = -3, then the value of -3x2 is--

• A. -27
• B. -18
• C. 27
• D. 18

Answer: Option A

Explanation:

3 . (x2 + 1)2 = 3x2 হলে, x3 + 1/x3 এর মান কত?

• A. -√3
• B. 0
• C. 3√3
• D. √3

Answer: Option B

Explanation:

4 . x=15, y=5 হলে x3-3x2y+3xy2-y3=?

• A. 800
• B. 1200
• C. 1400
• D. 1000

Answer: Option D

Explanation:

5 . 3x2-x+5=0

• A. $3$
• B. $1$
• C. $-1$
• D. $5$

Answer: Option C

Explanation:

6 . 3x2-7x-6

• A. $\left(3x+2\right)\left(x-3\right)$
• B. $\left(3x-2\right)\left(x+3\right)$
• C. $\left(3x+2\right)\left(x+3\right)$
• D. $\left(3x-2\right)\left(x+3\right)$

Answer: Option A

Explanation:

7 . fx=x3-3x2-9x

• A. $f"\left(2\right)<0$
• B. $f"\left(2\right)>0$
• C. $f"\left(2\right)=0$
• D. $f\text{'}\left(2\right)=0$

Answer: Option B

Explanation:

8 . 3x2 + ax + a + 3 divisible x + 2?

• A. 12
• B. 13
• C. 14
• D. 15

Answer: Option D

Explanation:

9 . -3x2

• A. -27
• B. -18
• C. 27
• D. 18

Answer: Option A

Explanation:

10 . 3x2+ax+a+3

• A. 12
• B. 13
• C. 14
• D. 15

Answer: Option D

Explanation:

11 . x3-3x2+4x-4?

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

Answer: Option A

Explanation:

12 . 3x2-x+5=0

• A. 3
• B. 2
• C. 1 : 2
• D. -1

Answer: Option D

Explanation:

13 . 3x2-16x-12

• A. (3x -2) (x +6)
• B. (3x -2) ( x-6)
• C. (3x -6) (3x+2)
• D. 3(x-6) (x-2)

Answer: Option C

Explanation:

14 . 3x2-x-10

• A. (x+2)(3x-5)
• B. (x+2)(3x-5)
• C. (x-2)(3x-5)
• D. (x-2)(3x+5)

Answer: Option A

Explanation:

15 . 3x2-kx+4=0

• A. $\pm \frac{4}{3}$
• B. $\pm 12$
• C. $\pm 8$
• D. $\pm 7$

Answer: Option C

Explanation:

16 . 3x2+5y2=1

• A. $\frac{4}{5}$
• B. $\sqrt{\frac{2}{5}}$
• C. $\frac{2}{5}$
• D. $\frac{2}{\sqrt{5}}$

Answer: Option B

Explanation:

17 . 3x2-5x+1=0

• A. $\frac{5}{3}$
• B. $\frac{3}{5}$
• C. $5$
• D. $\frac{1}{5}$

Answer: Option C

Explanation:

18 . ∫x=x3-3x2+6x+2

• A. 1
• B. 5
• C. 10
• D. কোনটিই নয়

Answer: Option D

Explanation:

19 . 3x2+4y2=12

• A. $y=\pm 1$
• B. $x=\pm 1$
• C. $y=\pm 2$
• D. $y=\pm 4$

Answer: Option A

Explanation:

20 . 3x2+5y2=15

• A. $\sqrt{\frac{3}{5}}$
• B. $\sqrt{\frac{5}{3}}$
• C. $\sqrt{\frac{5}{2}}$
• D. $\sqrt{\frac{2}{5}}$

Answer: Option D

Explanation:

21 . 3x2-kx+4=0

• A. $\pm \frac{4}{3}$
• B. $\pm 12$
• C. $\pm 8$
• D. $\pm 7$

Answer: Option C

Explanation:

22 .  উৎপাদক বিশ্লেষণ করুন;  3x2 + x − 10

• A. (x+5) (3x-2)
• B. (x+2)(3x-5)
• C. (x-5)(3x+2)
• D. (x+2)(3x+5)

Answer: Option B

Explanation: