Question

find the value of x if 3 ki power 4 into 3 ki power 5 barabar 3 ki power 3

Answer 1

(3^4) *(3^5)= 3^9
as power add on multiplying when base is same
so 3^9= (3^3)^x= 3^(3x)
so 3x= 9
x= 3

Answer 2

Used method :-

same base --- power will be added.

if base are equal then power are also equal.