Question

1/5+3√2 rationalise the dominator​

Answer 1

Answer:

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Step-by-step explanation:

(

5

−

2

)

In the given question

5

+

2

1

Onrationalisingthenumber

=

5

+

2

1

×

5

−

2

5

−

2

Onapplying(a+b)(a−b)=a

2

−b

2

=

5

2

−

2

2

5

−

2

=

5−2

5

−

2

=

3

5

−

2