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
1) lies between 1 and 2 2) lies between 2 and 3 3) lies between - 1 and 0 4) does not exist Solution: (4) does not exist The given function... View Article