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
1) ∑p / pqr 2) i / pqr 3) (p + q + r)2 4) None of these Solution: (1) ∑p / pqr Let ɑ, β be the roots of x2 + px + qr = 0 ---- (1) and β, 𝜸... View Article
1) One root 2) No real root 3) An infinite number of roots 4) None of these Solution: (2) No real root sin x = x2 + x + 1 has no solution... View Article
1) No real root 2) At least one real root 3) Exactly one root 4) An infinite number of real roots Solution: (4) An infinite number of real... View Article
1) All the roots real 2) One real and eight imaginary roots 3) Real roots necessary x = 3, 32, ….. 39 4) None of these Solution: (2) One real... View Article
1) Three real roots 2) a root in (- ∞, a1) 3) no real root in (a1, a2) 4) no real root in (a5, a6) Solution: (1) Three real roots Let f (x)... View Article