Question

The roots of the equation, $(x-a)(x-b)=a^2-2 b^2$ are real and distinct for all $a>0$, provided

• A. - a $\leq$ b $<\frac{5}{7}$ a
• B. $ -a
• C. - a $<$ b $\leq \frac{5}{7}$ a
• D. -2 a $<$ b $<\frac{7}{5}$ a

Answer 1

Answer: (B)

Correct answer is (b) $ -a