If 2m+n2n-m=16, 3p3n=81 and a=21/10, thena2m+n-p(am-2n+2p)-1=(a) 2(b) 14(c) 9(d) 18

If 2m+n2n-m=16, 3p3n=81 and a=21/10, thena2m+n-p(am-2n+2p)-1=(a) 2(b)

1.	If 2m+n2n-m=16, 3p3n=81 and a=21/10, thena2m+n-p(am-2n+2p)-1=(a) 2(b) 14(c) 9(d) 18
Answer» If $\frac{2^{m + n}}{2^{n - m}} = 16$ , $\frac{3^{p}}{3^{n}} = 81$ and $a = 2^{1 / 10}$ , then $\frac{a^{2 m + n - p}}{(a^{m - 2 n + 2 p})^{- 1}} =$ (a) 2 (b) $\frac{1}{4}$ (c) 9 (d) $\frac{1}{8}$