Ex: $11$ Volume charge density is given in the first:" oct ont $,$ and $z$ positive$)$ by ${}_v=10e^{-2z}(x^2+2y^2)$ and $=0$ else where. Find the total charge in the

region:$-$

$($a$)0x1,0y1,$@$z1.$

$($b$)0x+2y1,0z1.$

Ans

$($a$)4\mathrm{.}32$ C

$($b$)0\mathrm{.}27$ c