Q157. What is the quadratic equation in x such that the arithmetic mean of its roots is 4 and its geometric mean is 9?Mathematics — Sequences and Series — Question 157 of 208A. x2 - 8x + 81 = 0B. x2 + 8x - 81 = 0C. x2 + 81x + 8 = 0D. x2 + 81x - 8 = 0Practice more Mathematics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →