7. (a) Find the square root 14+4√6.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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![7. (a) Find the square root 14+4√6.
(b) If f(r) = (+1), show that ƒ(r) — ƒ(r+1) = (r+1)(+2). Hence, or otherwise, find
Σ17(r+1)(7+2)
(c) Prove the identity (tan+sec )² = 1+
1-sin @](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F62e11221-2b51-420f-af5e-37a354fe5d64%2F3de500c5-b611-4d50-bdf4-5f88ef0c5612%2F5ygw1be_processed.png&w=3840&q=75)
Transcribed Image Text:7. (a) Find the square root 14+4√6.
(b) If f(r) = (+1), show that ƒ(r) — ƒ(r+1) = (r+1)(+2). Hence, or otherwise, find
Σ17(r+1)(7+2)
(c) Prove the identity (tan+sec )² = 1+
1-sin @
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