The total number of integral values of a so that `x^2-(a+1)x+a-1=0` ha integral roots is equal to a.`1` b. `2` c. `4` d. none of these

Number of integral values of a for which the equation x^2-(a+1)x+a-1=0 , has integral roots, is equal to -

The number of integral values of b, for which the equation x^(2)+bx-16=0 has integral roots, is

Find the value of a if the equation 2x^2-(a+1)x+(a-1)=0 has equal roots.

The total number of values a so that x^2-x-a=0 has integral roots, where a in Na n d6lt=alt=100 , is equal to a. 2 b. 4 c. 6 d. 8

Number of integral values of a such that the quadratic equation x^(2)+a x+a+1=0 has integral roots is

Consider the equation x^2+2x-n=0 where n in N and n in [5,100] The total number of different values of n so that the given equation has integral roots is a. 8 b. 3 c. 6 d. 4

The number of integral values of a for which the quadratic equation (x+a)(x+1991)+1=0 has integral roots are a. 3 b. 0 c. 1 d. 2

The number of integral values of m for which the equation (1+m^(2))x^(2)-2(1+3m)x+(1+8m)=0, has no real roots is

The number of value of k for which [x^2-(k-2)x+k^2]xx""[x^2+k x+(2k-1)] is a perfect square is a. 2 b. 1 c. 0 d. none of these

The number of values of a for which equations x^3+a x+1=0a n d x^4+a x^2+1=0 have a common root is a. 0 b. 1 c. 2 d. Infinite