Two point charges $($q$1=-3\mathrm{.}7$mu C and q$2=6\mathrm{.}1$mu C$)$ are fixed along the x$-$axis, separated by a distance d $=6\mathrm{.}9$ cm$.$ Point P is located at $($x$,$y$)=($d$,$d$).$Later$,$ a third point q$3=3\mathrm{.}3$mu C is positioned along the y axis at a distance d$=6\mathrm{.}9$ cm from q$1$ as shown.

In the two charge configuration what is the x component Ex$($P$)$ of the electric field produced by q$1$ and q$2$ at point P$?$

N$/$C

In the two charge configuration what is the y component Ey$($P$)$ of the electric field produced by q$1$ and q$2$ at point P$?$

N$/$C

In the third charge configuration what is the x component Ex$($P$)$ of the electric field produced by all three charges at P$?$

N$/$C