1.

Let A denote the plane consisting of all poins that are equdistant from the points P (-4,2,1) and Q(2, -4, 3) and B be the plane x - y + cz = 1where c in RIf the angle between the planes A and B is 45^(@) then the product of all possible values of c is

Answer»

`-17`
`-2`
`17`
`24/17`

ANSWER :B


Discussion

No Comment Found