1.

Simplify by rationalising the denominator √5-1÷√5+1+√5+1÷√5-1=a+b√3

Answer»

Step-by-step EXPLANATION:

=>(√5-1)²/5-1+(√5+1)²/5-1

=>5-2√5+1+5+1+2√5/4=

=>12/4=3



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