If the arithmetic mean and geometric mean of the p^ th and q^ th terms of the sequence –16, 8, –4, 2, ......

Question

If the arithmetic mean and geometric mean of the p^ th and q^ th terms of the sequence –16, 8, –4, 2, ... satisfy the equation 4x^2-9x+5=0, then p + q is equal to________.

Accepted Answer

10

JEE Main 2021 Mathematics question

Solution