1.If n=mC2n = {}^mC_2n=mC2, then the value of nC2{}^nC_2nC2 is given bya.3(m+1C4)3 \left({}^{m+1}C_4\right)3(m+1C4)b.m−1C4{}^{m-1}C_4m−1C4c.m+1C4{}^{m+1}C_4m+1C4d.2(m+2C4)2 \left({}^{m+2}C_4\right)2(m+2C4)Login to continueOnly logged in users canattempt or see the solution.