2 Double summation Let a1, A2, A3, ... be a sequence of real numbers, and let...

Question

Question

2 Double summation Let a1, A2, A3, ... be a sequence of real numbers, and let n > 1 be an integer. Which of the following are

Answer 1

Answer #1

Σας = nΣας ΣΣ α, = nΣα; = nΣας = ΣΣας και i=1 So 2nd and 4th are equal, Σ Σ αι = α1 + 2α2 +..... + παη =Σ ια; =Σ Σ i=1 j=1 1=

Answer 2

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