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if 4^x-4^(x-1)=24 then the value of (2x)...

if `4^x-4^(x-1)=24` then the value of `(2x)^x` equals:

A

`(5)^(3//2)`

B

4

C

`(5)^(5//2)`

D

`(1)/(5)`

Text Solution

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The correct Answer is:
C
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S CHAND IIT JEE FOUNDATION-POWERS AND ROOTS -UNIT TEST-1
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  16. The least values of x and y so that 7x342y is divisible y 88 are

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  17. The total number of 8 digit numbers is

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  18. If X, Y are positive real numbers such that XgtY and A is any positive...

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  19. Assertion (A) : The number 90356294 is divisible by 4. Reason (R ) :...

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