RD Sharma Class 10 EX 4.5 Q 14: If the roots of ax^2+2bx+c=0 and bx^2-2√bcx+b=0 real, prove b^2=ac.

RD Sharma CBSE Class 10 Chapter 8 Quadratic equations EX 8.6 Q 9

[utkarsharkumar]

Sir, if sign change then the sign of greater than or less than also change