1.If 2nC3:nC3=10:1^{2n}C_3 : {}^{n}C_3 = 10 : 12nC3:nC3=10:1, then the ratio (n2+3n):(n2−3n+4)(n^2 + 3n) : (n^2 - 3n + 4)(n2+3n):(n2−3n+4) is:a.35:1635 : 1635:16b.27:1127 : 1127:11c.65:3765 : 3765:37d.2:12 : 12:1Login to continueOnly logged in users canattempt or see the solution.
