Rationalise the following:
a] 2
/√7 b] 2
/(√5-√3)
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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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