Question

question 10 i want answer

Answer 1

ii) (√5+√3)(√5+√3)/(√5-√3)(√5+√3)
= (25+3+2√15)/(5-3)
=(28+2√15)/2
=2(14+√15)/2
=14+√15 = a+b√15
Hence a=14 , b=1

Answer 2

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