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Q-14E

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Found in: Page 434

### Fundamentals Of Differential Equations And Boundary Value Problems

Book edition 9th
Author(s) R. Kent Nagle, Edward B. Saff, Arthur David Snider
Pages 616 pages
ISBN 9780321977069

# Question:In Problem find the first three nonzero terms in the power series expansion for the product f(x)g(x).

The required product is, f(x).g(x)=1.

See the step by step solution

## Step 1: Given power series expansion

The series expansion of the given series is given by

## Step 2: Find the product of the power series expansion

Multiplying both the series

There is only one non-zero term in the series expansion, that is f(x).g(x)=1.