Question

Find x if 2log2 x = 4
a) 4-4 6) 4
c)-4
d) 0​

Answer 1

The required "option is  (b) 4".

Step-by-step explanation:

We have,

2·㏒_{2}x= 4

⇒ ㏒_{2}x = $\frac{4}{2}$

⇒ ㏒_{2}x = 2

⇒ x = $2^{2}$ = 4

∴ x = 4

Hence, the value of x is equal to 4.

The required "option is  (b) 4".