MHT CET 2017 Math Solved Paper

(b) Consider (x1,y1,z1) ≡ (-3,2,-5)
As, the line is equally inclined to coordinate axes.
l = - 1 , m = 1 and n = -1
Since, the equation of line passing through (x1,y1,z1) and direction cosines l, m, n is

x−x1

l

=

y−y1

m

=

z−z1

n

Hence,

x+3

−1

=

y−2

1

=

z+5

−1