Question

(5/7) power 3 ×(5/7) power -11 = (5/7) power -3x + 1​

Answer 1

HELLO MATE

HERE IS YOUR ANSWER

( 5/7 )³ * ( 5/7 ) ^ -11 = ( 5/7 ) ^ -3x + 1

( 5/7 ) ^ 3 - 11 = ( 5/7 ) ^ -3x + 1

( 5/7 ) ^ -8 = ( 5/7 ) ^ -3x +

ON COMPARING =>

-8 = -3x + 1

-8 -1 = -3x

-9 = -3x

x = -9 / -3

x = 3

HOPE IT HELPS.

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