1) G. P. 2) H.P. 3) A.P. 4) None of these Solution: (1) G. P. ɑ, β are roots of the equation ax2 + bx + c = 0 ɑ + β = - b / a, ɑβ = c / a... View Article
1) A.P. 2) G.P. 3) H.P. 4) None of these Solution: (3) H.P. a (b - c)x2 + b (c - a) x + c (a - b) = 0 The roots are equal. Δ = 0 b2 (c - a)2... View Article
1) A. P 2) G. P 3) H. P 4) None of these Solution: (1) A. P ax2 + bx + c = 0 Suppose ɑ, β are the roots of the equation ɑ + β = - b / a, ɑ β... View Article