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Polynomials

Question

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Simplify each of the following expressions:

$left parenthesis square root of 5 plus square root of 2 right parenthesis squared$

Solution

left parenthesis square root of 5 plus square root of 2 right parenthesis squared

left parenthesis square root of 5 plus square root of 2 right parenthesis squared space equals open parentheses square root of 5 close parentheses squared plus 2 square root of 5 space square root of 2 plus open parentheses square root of 2 close parentheses squared equals space 5 plus 2 square root of 10 plus 2 because space space space square root of a space square root of b space equals space square root of a b end root equals 7 plus 2 square root of 10.

Some More Questions From Polynomials Chapter

Find two rational numbers between 0.1 and 0.2.

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