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Polynomials

Question

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Classify the following numbers as rational or irrational:

$square root of 225$

Solution

square root of 225

because space square root of 225 space equals space 15 space equals space 15 over 1 open parentheses p over q space f o r m close parentheses

therefore space square root of 225

is a rational number

Here, p = 15
q = 1

open parentheses not equal to 0 close parentheses

Some More Questions From Polynomials Chapter

Find two rational numbers between 0.1 and 0.2.

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