Question: (i) Show that - y ++ 3y- 2 = (r-y+2)(r +y-1) and hence, or otherwise, indicate by means of a sketch the region of

(i) Show that - y ++ 3y- 2 = (r-y+2)(r +y-1) and

(i) Show that - y ++ 3y- 2 = (r-y+2)(r +y-1) and hence, or otherwise, indicate by means of a sketch the region of the r-y plane for which - y? +* + 3y > 2. (ii) Sketch also the region of the r-y plane for which 2 - 4y? +3r 2y

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