If A(-5,7), B(-4,-5), C(-1,-6) and D(4,5) are the vertices of a quadrilateral the find the area of the quadrilateral ABCD.
If A(-5,7), B(-4,-5), C(-1,-6) and D(4,5) are the vertices of a quadrilateral the find the area of the quadrilateral ABCD.
If the sum of the first p terms of an AP is ap^2 +bp, find its common difference.
if the midpoint of the line segment joining the points p(3, b+2) and q(1,4) is (2,-3) find the value of b