যদি logx 8 = 3/2 হয়, তবে x এর মান কত?

A

2

B

- 2

C

- 3

D

4

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প্রশ্ন: যদি log8 = 3/2 হয়, তবে x এর মান কত?

সমাধান:
logx 8 = 3/2
⇒ x3/2 = 8 [ logxa = b হলে xb = a ]
⇒ (x1/2)3 = 8 
⇒ (√x)3 = 23
⇒ √x = 2 
⇒ (√x)2 = 22 [ বর্গ করে ]
⇒ x = 4 

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Updated: 1 month ago

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