
the focus of the parabolic mirror is at a distance of 6cm from the vertex. if the vertex is 20cm deep . find the vertical diameter ?
GST is already credited for this month, Should I need to pay challan or not ? thanks in advance
If PQRS is a quadrilateral P(1, 3) R(2, 6) R(5, 5) and S(6, 2) are four points .Prove that PQRS is a parallelogram by vector methods
If PQRS is a quadrilateral P(1, 3) R(2, 6) R(5, 5) and S(6, 2) are four points .Prove that PQRS is a parallelogram by vector methods