Question

If √5-√7/√5+√7=a+b√35 then find the values of a and b?​

Answer 1

Answer: a= -6 and b=1

Step-by-step explanation:

√5-√7/√5+√7=(√5-√7)(√5-√7)/(√5+√7)(√5-√7)

=(√5-√7)^2/(5-7)

=5+7-2√35/(-2)

= -2(-6+√35)/(-2)

= -6+√35

So a= -6 and b=1