TG EAMCET 2 May 2025 Shift 2 Paper

Given, equation of planes
3x+4y+7z=1
And ‌‌x−y+z=5
∴ Direction ratio of normal to the plane (i) is 3,4,7.
and direction ratio of normal to the plane (ii) is 1,−1,1
∴ Direction ratio of L,
n‌=n1×n2
‌=|

∧ i	∧ j	∧ k
3	4	7
1	−1	1

|
‌=

∧

i

(4+7)−

∧

j

(3−7)+

∧

k

(−3−4)
‌=11

∧

i

+4

∧

j

−7

∧

k

∴ Direction ratio of L are 11,4,−7