1 votes 1 votes consider the quadratic equation of the form x2+bx+c=0.The number of such equations that have real roots and coefficients b and c from the set{1,2,3,4,5} (b and c may be equal) is Combinatory combinatory + – . asked Feb 24, 2017 • retagged Jun 27, 2017 by Arjun . 2.0k views answer comment Share Follow See all 0 reply Please log in or register to add a comment.
Best answer 2 votes 2 votes a.... rachapalli answered Feb 24, 2017 • selected Feb 26, 2017 by Shreya Roy rachapalli comment Share Follow See all 0 reply Please log in or register to add a comment.