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1^3+2^3+3^+___+n^3={n(n+1)/2}^2

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1^3+2^3+3^+___+n^3={n(n+1)/2}^2

Posted by Himanshi Verma 4 years, 7 months ago

CBSE > Class 11 > Mathematics

1 answers

Divyanshi Nagpal 4 years, 7 months ago

step 1 : put n=1 p(1) = 1=1 step 2 : let the result true for n = k p(k) : 1^3 + 2^3 +_________+k^3 = {k(k+1)/2}^2 __(1) step3 : show the result is true for n=k+1 p(k+1) = 1^3+2^3+______+(k+2)

5Thank You

ANSWER

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CBSE > Class 11 > Mathematics