Sign in
Please select an account to continue using cracku.in
↓ →
If $$\frac{a}{b}+\frac{b}{a}=2$$, then the value of a-b is:
Given : $$\frac{a}{b}+\frac{b}{a}=2$$
=> $$\frac{a^2+b^2}{ab}=2$$
=> $$a^2+b^2=2ab$$
=> $$a^2+b^2-2ab=0$$
=> $$(a-b)^2=0$$
=> $$a-b=0$$
=> Ans - (C)
Create a FREE account and get: