1)factorise 64x^3-125 2) evaluate using identity -28^3+9^3+19^3
3)if p=2-a then prove that a^3 + 6ap+p^3-8
4) factories : (x-2y)^3 + (2y-3z)^3 + (3z-x)^3
5) factories: a^2 - b^2 + 2bc - c^2
6) the perpendicular distance of point from x axis is 3 units and the perpendicular distance from y axis is 2 units. write the co-ordinate of the point if it lies in
(i) 1st quadrant
(ii)2nd quadrant
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