Find the value of x so that (15/4)^3 / (5/4)^3 = 3^x – InterviewSolution

1.

Find the value of x so that (15/4)^3 / (5/4)^3 = 3^x

Answer»

x=3

(15/4)^3/(5/4)^3

(15)^3/(5)^3

(15)^3*(1/5)^-3

(3)^3*(1/1)^-3

(3)^3/(1)^3

WHEN BASE IS SAME THEN THER POWER IS ALSO EQUAL SO (3)^3=(3)^x

x=3

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