Latest exam Aptitude Question SOLUTION: Prove that for each integer n>o 1x5+2x5^2+3x5^3+...+nx5^n=[5+(4n-1)5^n+1]/16

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(#M40084118) EXAM Numerical Ability question Keep an EYE

Prove that for each integer n>o
1x5+2x5^2+3x5^3+...+nx5^n=[5+(4n-1)5^n+1]/16

Asked In exam (9 years ago)

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