1.The mean deviation of the series a2,a2+d,a2+2d,…,a2+2nda^2, a^2+d, a^2+2d, \ldots, a^2+2nda2,a2+d,a2+2d,…,a2+2nd from its median isa.(n+1)d(2n+1)\frac{(n+1)d}{(2n+1)}(2n+1)(n+1)db.nd2n+1\frac{nd}{2n+1}2n+1ndc.n(n+1)d(2n+1)\frac{n(n+1)d}{(2n+1)}(2n+1)n(n+1)dd.(2n+1)dn(n+1)\frac{(2n+1)d}{n(n+1)}n(n+1)(2n+1)dLogin to continueOnly logged in users canattempt or see the solution.
