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25 a) Σ²/23 (5j + 2)³j-7 j=23 do not simplify the sum = 39 b) 237(i – 14)²/(i +31) = do not simplify the sum ¹3 c) Ei=4³=1 i(7j - 6j)j-¹ = simplify the sum 49 d) Σ{31 24% 7ij = = =1 j=0 simplify the sum

25 a) Σ²/23 (5j + 2)³j-7 j=23 do not simplify the sum = 39 b) 237(i – 14)²/(i +31) = do not simplify the sum ¹3 c) Ei=4³=1 i(7j - 6j)j-¹ = simplify the sum 49 d) Σ{31 24% 7ij = = =1 j=0 simplify the sum

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Write the following sums in open form clearly stating all terms. Show your work.

α) Σ523(5j + 2)31-7 = do not simplify the sum b) Σ37(i – 14)2/(i + 31) = = do not simplify the sum c) Σ=42=1i(7j – 6jjj-1 = simplify the sum d) Σ{31 24% 7ij = simplify the sum
Transcribed Image Text:α) Σ523(5j + 2)31-7 = do not simplify the sum b) Σ37(i – 14)2/(i + 31) = = do not simplify the sum c) Σ=42=1i(7j – 6jjj-1 = simplify the sum d) Σ{31 24% 7ij = simplify the sum
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