answer the question for 10th standard but in a easy way
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(3/5)^x (5/3)^2x = (5/3)^3
(5/3)^(-x) (5/3)^2x = (5/3)^3
because 1/a^n = a^(-n)
(5/3)^ (-x+2x) = (5/3)^3
when base is same the power will be added
compare power on both sides
-x+2x = 3
x= 3
so, option b is ryt
(5/3)^(-x) (5/3)^2x = (5/3)^3
because 1/a^n = a^(-n)
(5/3)^ (-x+2x) = (5/3)^3
when base is same the power will be added
compare power on both sides
-x+2x = 3
x= 3
so, option b is ryt
shiningstartoheaven:
Thankyou so much
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