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if 3 power x-1 =9 and 4 power y+2 =64, what is value of x /y ?

Asked by nisha_vini29 14th September 2015, 12:27 AM
Answered by Expert
Answer:

Hi Nisha

3 to the power of x minus 1 end exponent equals 9 space equals space 3 squared rightwards double arrow x minus 1 space equals space 2 rightwards double arrow x space equals space 3  space 4 to the power of y plus 2 end exponent equals 64 equals 4 cubed rightwards double arrow y plus 2 space equals space 3 rightwards double arrow y space equals space 1  x over y equals 3 over 1 equals 3

Answered by Expert 14th September 2015, 12:43 PM
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