[" The number of integral values of a "f],[" quadratic equation "(x+a)(x+1991)+1=],[" roots are "]

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 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 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 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 'a' for which the quadratic equation x^(2)+(a+19)x+19a+1=0 has integral roots,are

Number of integral values of a for which quadratic equation (a-1)x^(2)+(4a+1)x-6=0 have both roots integer,is

The number of real roots of the quadratic equation 3x^(2) + 4 = 0 is

The roots of a quadratic equation x/p = p/x are

Find all the integral values of a for which the quadratic equation (x - a) (x - 10) + 1 = 0 has integral roots.