Q163.Direction of the question: Solve the following question and mark the best possible option.
For a sequence of real numbers x1,x2,…xn, if x1−x2+x3−…+(−1)n+1xn=n2+2n for all natural numbers n, then the sum x49+x50 equals
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Q163
28 Nov 2021
Q163.Direction of the question: Solve the following question and mark the best possible option.
For a sequence of real numbers x1,x2,…xn, if x1−x2+x3−…+(−1)n+1xn=n2+2n for all natural numbers n, then the sum x49+x50 equals
