11. Show how to make a quick estimate (to two decimal places) of √(4.98)² – (3.03)² without using a computer or a calculator. Hint: Consider f(x, y) = √x² - y².
11. Show how to make a quick estimate (to two decimal places) of √(4.98)² – (3.03)² without using a computer or a calculator. Hint: Consider f(x, y) = √x² - y².
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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Transcribed Image Text:11. Show how to make a quick estimate (to two decimal places) of √(4.98)² – (3.03)²
without using a computer or a calculator. Hint: Consider f(x, y) = √√x² - y².
As in Problem 11, estimate (2.05)² + (1.98)².
12.
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