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Polynomials

Question
CBSEENMA9001513

Rationalise the denominators of the following:

fraction numerator 1 over denominator square root of 7 end fraction

Solution
fraction numerator 1 over denominator square root of 7 end fraction
fraction numerator 1 over denominator square root of 7 end fraction equals fraction numerator 1 over denominator square root of 7 end fraction cross times fraction numerator square root of 7 over denominator square root of 7 end fraction
Multiplying and dividing by square root of 7 = fraction numerator square root of 7 over denominator 7 end fraction.
 

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Some More Questions From Polynomials Chapter

Find two rational numbers between 0.1 and 0.2.