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Solve the followings : If x^a = y^b = ...

Solve the followings :
If `x^a = y^b = z^c and y^2 = zx`then the value of `1/a + 1/c` is :

A

b/2

B

c/2

C

2/b

D

2a

Text Solution

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The correct Answer is:
C
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