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If sum of first n terms of an A.P. is Sn=3n2−2n, then the value of ∞∑n=1(21(SnSn+2+Sn−1Sn+1)−(SnSn+1+Sn−1Sn+2)) is equal to

Answer» If sum of first n terms of an A.P. is Sn=3n22n, then the value of n=1(21(SnSn+2+Sn1Sn+1)(SnSn+1+Sn1Sn+2)) is equal to


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