Class 9 / IIT Foundation Plus Maths / Quadratic Expressions-II / Quadratic Inequation, Domain and Range

Quadratic Expressions-II

Quadratic Expressions-II Quadratic Inequation : The inequations of the form ax2+bx+c>0, ax2+bx+cax2+bx+c<0 and ax2+bx+c \(\leqslant 0\), where are called quadratic inequations  For examp