Home › CBSE Class 11 (Commerce) › Mathematics › Complex Numbers and Quadratic Equations › Which quadratic equation has the roots 2 and 3?
Which quadratic equation has the roots 2 and 3?
Ax^2 - 6x + 5 = 0
Bx^2 - 5x + 6 = 0
Cx^2 - x + 6 = 0
Dx^2 + 5x + 6 = 0
Answer & Solution
Correct answer: B. x^2 - 5x + 6 = 0
The equation is x^2 - (sum)x + product = x^2 - 5x + 6 = 0.
Related questions
If x is real and |x + 3i| = 5, which values can x take?Which property explains why (2 + 3i)(1 − i) equals (1 − i)(2 + 3i)?Because complex numbers obey the usual associative, commutative and distributive laws, whaWhat is the real part of the reciprocal of a + ib (not both zero)?If z = −z̄ for a complex number z, which statement is correct?If a complex number z equals its own conjugate, what kind of number is z?For z = a + ib, the sum z + z̄ equals what?Taking the conjugate of the conjugate of z gives which result?