Helppp pleaseeee I really need help

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asked Sep 8, 2022 13.9k views

1 vote

Helppp pleaseeee I really need help

Mathematics
high-school

Anshumans asked

by Anshumans

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2 Answers

3 votes

Explanation:

$= \frac{(2c {}^(2) + c - 2) }{(c + 1)} \\ rationalise \: the \: denominator \\ = \frac{(2 {c}^(2) + c - 2)(c - 1)}{(c + 1)(c - 1)} \\ = \frac{(2 {c}^(3) - 2 {c}^(2) + {c}^(2) - c - 2c + 2) }{( {c}^(2) - {1}^(2) )} \\ = \frac{(2 {c}^(3) - {c}^(2) - 3c + 2 )}{( {c}^(2) - 1) }$