1.In the binomial (21/3+3−1/3)n(2^{1/3} + 3^{-1/3})^n(21/3+3−1/3)n, if the ratio of the seventh term from the beginning to the seventh term from the end is 1/61/61/6, then nnn is equal toa.6b.9c.12d.15Login to continueOnly logged in users canattempt or see the solution.