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If 29y=642^{9y} = 6429y=64​, then find the value of (125)y.(125)^y.(125)y.​​
Question

If 29y=642^{9y} = 64​, then find the value of (125)y.(125)^y.​​

A.

1/25

B.

25

C.

1/5

D.

5

Correct option is B

Solution:

29y= 64

=> 29y=> = 26

Comparing on power

=> 9y = 6

=> y = 6/9

=> y = 2/3

∴ 125y= 53y

=> 53(2/3)

=> 52

=> 25


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