Question: Q)2. Given that * = (x1, X2,..., Xn) .y = (y1,y2,....n) ER, show that 21212 + 21712 = 18 + 312 + 1x-y1'. (parallelogram law)

Q)2. Given that * = (x1, X2,..., Xn) .y = (y1,y2,....n)

Q)2. Given that * = (x1, X2,..., Xn) .y = (y1,y2,....n) ER", show that 21212 + 21712 = 18 + 312 + 1x-y1'. (parallelogram law)

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