" 6.If "ax^(2)+bx+c" - "0" has equal roots,then "=(a)(b)/(2a)(b)(c)/(2a)" (c) "(-b)/(2a)" (d) none of these "

If ax^(2)+bx+c=0 has equal roots,then c=-(b)/(2a)(b)(b)/(2a)(c)(-b^(2))/(4a) (d) (b^(2))/(4a)

If ax^2+bx+c=0 has equal roots,then,c= a) b/(2a) b) -b/(2a) c) b^2/(4a) d) -b^2/(4a)

If ax^(2)+bx+c=0 has equal roots, 'c' is equal to

If ax^(2) +bx +c=0 has equal roots. Then c is equal to :

ax^(2)+2bx-3c=0 has no real root and a+b>3(c)/(4) then

If the equation ax^(2)+bx+c=0,a,b,c,in R have none- real roots,then c(a-b+c)>0 b.c(a+b+c)>0 c.c(4a-2b+c)>0 d. none of these

if x^(2)+x+1 is a factor of ax^(3)+bx^(2)+cx+d then the real root of ax^(3)+bx^(2)+cx+d=0 is : (a) -(d)/(a)(B)(d)/(a) (C) (a)/(b) (D)none of these

If the equation |x^(2)+bx+c|=k has four real roots,then A.b^(2)-4c>0 and 0 0 and k>(4c-b^(2))/(4) D.none of these

If the roots of x^(2)-bx+c=0 are two consecutive integers,then b^(2)-4c is 0(b)1 (c) 2 (d) none of these

35. If the sum of the roots of ax^2 + bx +c = 0 be equal to sum of the squares, then- (A) 2ac = ab + b2 (B) 2ab-bc + c2 c (D) None of these (D) None of these (C) 2bc -ac+2