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62. Sum of odd terms is A and sum of eve...

62. Sum of odd terms is A and sum of even terms is Binthe expansion (x+ a), then(a) AB = -(x - a)2n - (x + a)28 (b) 2AB = (x + a) 21 - (x -a) 2n(c) 4AB = (x + a)?n - (x -a) 21(d) None of the above2019/3/14

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