1.

If the four straight lines ax+by+p=0, ax+by+q=0, cx+dy+r=0 and cx+dy+s=0 form a prallelogram. Show that the area of the parallelogram so formed is |((p-q)(r-s))/(bc-ad)|

Answer»


ANSWER :`|((p-q)(r-s))/(bc-ad)|`


Discussion

No Comment Found