Math, asked by dpscal14, 1 year ago

Rationalise the following:

a] 2

/√7 b] 2

/(√5-√3)​

Answers

Answered by dorgan399
3

Step-by-step explanation:

a)2/√7=2×√7/(√7)²=2√7/7

b)2/(√5-√3)

=2(√5+√3)/(√5-√3)(√5+√3)

=2((√5+√3)/(5-3)

=√5+√3

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