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N^3 = n^2 {(n+1)^2} /4. Example 1 1) prove that 1^3 + 2^3 +3^3. In this video, we prove that the expression 2^(3n) 3^n is divisible by 5 for all positive integers of n, using mathematical induction.
To ask unlimited maths doubts download doubtnut from https//googl/9wzjcw prove by pmi that `12+ 23+34++ n(n+1) =((n)(n+1)(n+2))/3, aa n in n`. Over 1 million lessons deliver. Over 1 million lessons deliver.