The value of x for which (7/12)-4 X (7/12)3x = (7/12)5. Is 3 (how Ans is 3 please solve). here -4,3x,5 are power.

(7 / 12 )^-4 * (7/12)^3x = (7/12)⁵

(7/12)^{-4 + 3x} = (7 / 12 )⁵

-4 + 3x = 5

3x = 5 + 4

3x = 9

x = 9/3

x = 3

This is how 3 is possible

Hence Proved

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