JEE Main 2019 — Math solution | Fundamenthol

JEE Main2019Math

Q.

The vector equation of plane through the line of intersection of the planes x + y + z = 1 and 2x + 3y + 4z = 5 which is perpendicular to the plane x – y + z = 0 is :

A
$r . (\hat{i} - \hat{k}) + 2 = 0$
B
$r . (\hat{i} - \hat{k}) + 2 = 0$
C
$r \times (\hat{i} - \hat{k}) + 2 = 0$
D
$r \times (\hat{i} + \hat{k}) + 2 = 0$

Solution

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