If the roots of ax2 + b = 0 are real and distinct then
Since roots of ax2 + b = 0 are real x2 = gives real roots. This is possible if > 0 i.e. < 0 i.e. a, b are of opposite signs i.e. if ab < 0.
504 MCQ for effective preparation of the test of General of Mathematics section.
Read the MCQ statement: If the roots of ax2 + b = 0 are real and distinct then , keenly and apply the method you have learn through the video lessons for General to give the answer. Record your answer and check its correct answer and video explanation for MCQ No. 127-8859.