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(b) If f(r) = (+1), show that f(r)-f(r+1) = (+1)(+2). Hence, or otherwise, find Σr (r+1)(+2)

(b) If f(r) = (+1), show that f(r)-f(r+1) = (+1)(+2). Hence, or otherwise, find Σr (r+1)(+2)

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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Part B needed Needed to be solved part B correctly in 30 minutes and get the thumbs up please show neat and clean work for it
7. (a) Find the square root 14+4√6. (b) If f(r) = (+1), show that f(r)-f(r+1) = 7(+1)(r+2). Hence, or otherwise, find Σr=1 (r+1){(r+2) (c) Prove the identity (tan+sec 0)²= 1+sin 8 1-ain 9-
Transcribed Image Text:7. (a) Find the square root 14+4√6. (b) If f(r) = (+1), show that f(r)-f(r+1) = 7(+1)(r+2). Hence, or otherwise, find Σr=1 (r+1){(r+2) (c) Prove the identity (tan+sec 0)²= 1+sin 8 1-ain 9-
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