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[" 3.Prove by Mathematical Induction tha...

[" 3.Prove by Mathematical Induction that "],[" a) "1+2+3............+n=(n(n+1))/(2)],[" b) "1^(2)+2^(2)+3^(2)...............+n^(2)=(n(n+1)(2n+1))/(6)]

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