`(-2)×(-4)×(-6)×(-8)`

A+B={:[(4,-2,2),(6,8,10),(2,-4,12)]:},A-B={:[(2,-4,-2),(6,-8,-8),(-2,4,-6)]:} . Find A,B.

Show that the line joining the points (2,-6) and (-4,-8) is perpendicular to the line joining the points (4,-2) and (6,-8) .

The locus of a point collinear with two given points (2,4) and (6,8) .

Mark 2/6,4/6,8/6\ a n d\ 6/6 on the number line and put appropriate signs between fractions given below: