Rationalise 1/2root5
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Answer:
1/(2√5-√3)
=1*(2√5+√3)/(2√5-√3)(2√5+√3)
=(2√5+√3)/(2√5)^2-(√3)^2)
=(2√5+√3)/(20-3)
=(2√5+√3)/17
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answer is in the picture with full explanation.
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