दुएन3 -6 X 5n+l0 X 50— 22 – InterviewSolution

1.

दुएन3 -6 X 5n+l0 X 50— 22

Answer»

5^n+3 - 6*5^n+1/9*5^n - 2^2*5^n

= 5^n(5^3 - 6*5)/ 5^n(9 - 4)

= (125 - 30)/5

= 95/5 = 19

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