Q16. Which of the following conditions allows the equation (x+a)(x+b)(x+c)(x+d) = k to be reduced to a quadratic form by substitution?Mathematics — Quadratic Equations — Question 16 of 200A. a + b = c + dB. a + c = b + dC. a + d = b + cD. All of the abovePractice more Mathematics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →