find the value of a and b if ,√5 +√3/√5-√3= a+b√3
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(√5+√3)/(√5-√3)×(√5+√3)/(√5+√3)=a+b√3
(√5+√3)^2/5-3=a+b√3
5+3+2√15/2=a+b√3
(8+2√15)/2=a+b√3
4 + √15=a+b√3
by comparing their values
a=4,b=√5
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