দ্বিঘাত সমীকরণ `ax^(2)+bx+c=0` এর প্রকৃত মূল আছে যদি:

(ax^(2)+bx+c)^(6)

(ax^(2) + bx + c)^(n)

sqrt(ax^2+bx+c)

If the roots of the equation ax^(2) + bx + c = 0 are in the ratio of 3 : 4 ,

If alpha, beta are the roots of the equation ax^(2) +2bx +c =0 and alpha +h, beta + h are the roots of the equation Ax^(2) +2Bx + C=0 then

If a, b, c are positive real numbers such that the equations ax^(2) + bx + c = 0 and bx^(2) + cx + a = 0 , have a common root, then

If the equations ax^(2) +2bx +c = 0 and Ax^(2) +2Bx+C=0 have a common root and a,b,c are in G.P prove that a/A , b/B, c/C are in H.P

If both the roots of ax^(2)+bx+c=0 are negative and b<0 then :