let `p,q epsilon(1,2,3,4)`,then number of equation of the form `px^2 +qx+1=0`, having real roots is

let p,q varepsilon(1,2,3,4), then number of equation of the form px^(2)+qx+1=0 ,having real roots is

If p,q,in{1,2,3,4}, then find the number of equations of the form px^(2)+qx+1=0 having real roots.

If a,b,c epsilon {1,2,3,4,5}, the number of equations of the form ax^2+bx+c=0 which have real roots is (A) 25 (B) 26 (C) 27 (D) 24

Let a,b in {1,2,3}. What is the number of equations of the form ax^(2) + bx+ 1 = 0 having real roots?

Let alpha, beta be the roots of x^2-x+p=0 and gamma, delta be the roots of x^2-4x+q=0 such that alpha, beta, gamma, delta are in G.P. and pge2. If a,b,c epsilon {1,2,3,4,5}, let the number of equation of the form ax^2+bx+c=0 which have real roots be r, then the minium value of p q r =

If p,q in{1,2,3,4,5}, then find the number of equations of form p^(2)x^(2)+q^(2)x+1=0 having real roots.