Math, asked by jakeshere56, 14 days ago

Rationalise the denominators of the following.

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Answers

Answered by jack301092
0

Step-by-step explanation:

1) 1/√7

: (1 × √7)/(√7 × √7)

: √7

2) 1/√7 - √6

: (1 × (√7 + √6))/(√7 - √6)× (√7 + √6)

: √7 + √6

3) 1/√5 + √2 = √5 - √2/3

4) 1/√7 - 2 = √7 + 2/3

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Answered by usmaniu912
0

explanation:

1. 1/√7 multiply√7/√7

= √7/(√7)square

=√7/7

2. 1 /√7-√6 multiply √7-√6 /√7-√6

=√7-√6 / (√7-√6)square

=√7-√6 / 7-6

=√7-√6 / 1

3. 1/√5+√2 multiply √5+√2/√5+√2

=√5+√2 / (√5+√2) square

=√5+√2 /5+2

=√5+√2 / 7

4. 1/√7-2 multiply√7-2/√7-2

=√7-2/(√7-2) square

=√7-2 / 7-4

=√7-2 / 3

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