
2) Prove that (a) Σί-11-n(n+ 1 )/2 (b) Σί-112-n(n+ 1)(2n+1)/6 if x> (1-Xk+1)/(1-x) İfx < ! Show transcribed image text
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2) Prove that (a) Σί-11-n(n+ 1 )/2 (b) Σί-112-n(n+ 1)(2n+1)/6 if x> (1-Xk+1)/(1-x) İfx < ! Show transcribed image text
An answer will be send to you shortly. . . . .