Math, asked by AdityaAdi111203, 4 months ago

Prove that 5 + 5² + 5³ + .... + 5^n = 5/4(5^n-1)
By mathematical induction

Answers

Answered by karhaleom71

0

Step-by-step explanation:

5 4 = 20

5 3 = 15 = 20 ( 5)

5 2 = _-10_ = 15 ( 5)

5 1 = _-5_ = _10 - (-5)_

5 0 = 0 = _-5 - (-5)_

5 1 = 5 = _0 - (-5)_

5 2 = _10_ = _5 - (-5)_

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