Let the mirror image of the point (a, b, c) with respect to the plane 3 x-4 y+12 z+19=0 be (a-6, \beta, \gamma). If a+b+c=5, then 7 \beta -9 \gamma is equal to [27-Jun-2022-Shift-1]

JEE Main 27 June 2022 Shift 1 Solved Paper

Section: Mathematics

Question : 30 of 90

Marks: +1, -0

Let the mirror image of the point (a,b,c) with respect to the plane 3x−4y+12z+19=0 be (a−6,β,γ). If a+b+c=5, then 7β −9γ is equal to

[27-Jun-2022-Shift-1]

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