Product of real roots of the equation `t^2x^2+|x|+9=0` a. is always +ve b. is always-ve c. does not exist d. none of these

The sum of real roots of the equation |x-2|^2+|x-2|-2=0 is (A) 4 (B) 1 (C) 2 (D) -2

Both the roots of the equation (x-b)(x-c)+(x-a)(x-c)+(x-a)(x-b)=0 are always a. positive b. real c. negative d. none of these

The roots of the equations x ^2−x−3=0 are a. imaginary b. rational. c. irrational d. none of these.

If product of the roots of the equation 3x^2-4x+(loga^2-log(-a)+3)=0 is 1, then ' a ' equal to a. not possible b. -1 c. 1 d. none of these

If product of the roots of the equation 3x^2-4x+(loga^2-log(-a)+3)=0 is 1, then ' a ' equal to a. not possible b. -1 c. 1 d. none of these

If a in (-1,1), then roots of the quadratic equation (a-1)x^2+a x+sqrt(1-a^2)=0 are a. real b. imaginary c. both equal d. none of these

The number of real solutions of the equation e^(|x|)-|x|=0 , is A. o B. 1 c. 2 D. None of these.

Let a >0,b >0 and c >0 . Then, both the roots of the equation a x^2+b x+c=0 : a. are real and negative b. have negative real parts c. have positive real parts d. None of the above

The twice of the product of real roots of the equation (2x+3)^(2)- 3|2x+3|+2=0 is __________

For the equation : x^2+18 x+30=2sqrt(x^2+18 x+45)dot (a) product of real root of the equation is 20 (b) sum of real root of the equation is-18 (c) product of real root of the equation is-20 (d) sum of real root of the equation is 18