मराठी

Rationalise the denominator of 10/sqrt(5). - Mathematics

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प्रश्न

Rationalise the denominator of `10/sqrt(5)`.

बेरीज
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उत्तर

To rationalise the denominator of `10/sqrt(5)`

Multiply numerator and denominator by `sqrt(5)`:

`10/sqrt(5) xx sqrt(5)/sqrt(5) = (10sqrt(5))/5`

Now simplify:

`(10sqrt(5))/5 = 2sqrt(5)`

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  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 1: Rational and Irrational Numbers - EXERCISE 1C [पृष्ठ १५]

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बी निर्मला शास्त्री Mathematics [English] Class 9 ICSE
पाठ 1 Rational and Irrational Numbers
EXERCISE 1C | Q 7. (iii) | पृष्ठ १५
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