Solve the system of equations 2x-y=1; x+2y=8 graphically and find the coordinates of the points where corresponding lines intersect y-axis.
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Let $F\left(x,y,z\right)=2\left(y+z\right)\vec{i} +\left(z+x\right)\vec{y} +\left(x+y\right)\bar{k} $ then curl $\vec{F} \left(x,y,z\right)$ $=a\right)\vec{0} b\right)$ $-\vec{j} c\right)$ $\vec{j} +\vec{k} d\right)$ $\vec{i} -\vec{k} $
Geometry
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