Rationalizing the denominator — task. Maths CBSE Mentoring, Class 9 Mentoring product.

Assertion (A): The expression

\frac{1}{\sqrt{22}}

can be written as

\frac{\sqrt{22}}{22}

by rationalization.
Reason (R): To rationalize a denominator containing a square root, we multiply by a suitable surd to make it a rational number.

Both assertion(A) and reason(R) are true but reason(R) is not the correct explanation of assertion(A)
Both assertion(A) and reason(R) are true and reason(R) is the correct explanation of assertion(A)
Assertion(A) is true but reason(R) is false
Assertion(A) is false but reason(R) is true

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8. Rationalizing the denominator

Question: