1 . 1 - 1 - x1 + 1 - x= 13 সমীকরণের সমাধান কত?

• A. x = 1
• B. x = -1/2
• C. x = 2
• D. x = -2

Answer: Option D

Explanation:

2 . log10x=-1

• A. 0.1
• B. 0.01
• C. 10000
• D. 0.001

Answer: Option A

Explanation:

3 . x1-x+1-xx=

• A. 2/13, 6/13
• B. 3/13, 7/13
• C. 1/13, 5/13
• D. 4/13, 9/13

Answer: Option C

Explanation:

4 . x=-1

• A. +2
• B. +1
• C. -1
• D. 0

Answer: Option B

Explanation:

5 . log10x=-1

• A. 0.1
• B. 0.01
• C. $110000$
• D. $0.001$

Answer: Option A

Explanation:

6 . x=-1+i হলে, x.x²+3x²+4x+7 এর মান-

• A. 5
• B. 6+i
• C. 8
• D. 9+2i

Answer: Option A

Explanation: