a$.$ Write the lines y $=$ x $2,$ y $=1$ x$/2$ in $($r$,$ $)$ form. b$.$Use the Hough transform to detect the strongest line in the binary image shown below. Use the form xcos $0+$ y sin $0=$r with in steps of $45$ from $-45$ to $90$ and place the results in an accumulator array.

M$=$

$0000010$

$0000000$

$0101010$

$0011000$

$0000000$