1) equal 2) imaginary 3) real 4) None of these Solution: (3) real Given a + b + c = 0, 4ax2 + 3bx + 2c = 0 D = 9b2 - 4 (4a) (2c) = 9 (a +... View Article
1) ± a 2) ± (1/2) a 3) ± (3/2)a 4) ± 2a Solution: (2) ± (1 / 2) a The equation given is (a + 1)x2 - (a + 2) x + (a + 3) = 0. The roots are... View Article
1) real and distinct 2) imaginary 3) equal 4) rational and equal Solution: (2) imaginary It is given that f (x) = x2 + ax + b has imaginary... View Article
1) equal 2) imaginary 3) real and distinct 4) rational and equal Solution: (3) real and distinct (x - a) (x - a - 1) + (x - a - 1) (x - a -... View Article
1) |(r / p) - 7| ≥ 4 √3 2)|(p / r) - 7| < 4 √3 3) all p and r 4) no p and r Solution: (1) |(r / p) - 7| ≥ 4 √3 2q = p + r px2 + qx + r =... View Article
1) at least one real solution 2) exactly three real solutions 3) exactly one irrational solution 4) complex roots Solution: (2) exactly three... View Article
1) town B 2) 45 km from town A 3) town A 4) 45 km from town B Solution: (3) town A D = (2 √3)2 - 4 (- 22) = 12 + 88 > 0 D is a perfect... View Article
1) only positive solutions 2) only negative solutions 3) no solution 4) both positive and negative solutions Solution: (3) no solution It is... View Article
1) 2 2) 3 3) 4 4) 5 5) 6 Solution: (1) 2 In this equation, b is an even integer and the discriminant of given is a perfect square of an... View Article
1) 1 and c / a 2) - 1 / a and - c 3) - 1 and - c / a 4) - 2 and - c / 2a Solution: (1) 1 and c / a Let ɑ, β be the roots of the equation ax2... View Article