1.If nnn is the number of irrational terms in the expansion of (31/4+51/8)60\left(3^{1/4} + 5^{1/8}\right)^{60}(31/4+51/8)60, then (n−1)(n - 1)(n−1) is divisible by:a.26b.30c.8d.7Login to continueOnly logged in users canattempt or see the solution.
