Math, asked by prajapatiranjana904, 9 months ago

rational approximatio of root 5 is​

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Answered by zeeshankhatri1231
1

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Question. Prove that, if x is so small that its cube and higher powers can be neglected, √1+x1−x=1+x+x22. By taking x=19, prove that √5 is approximately equal to 18181.

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