Sainik School Entrance Exam 2021 Solved Paper

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Question : 19 of 150

Marks: +1, -0

What will you get when you subtract

3 x-4 y-7 z

from the sum of

x-3 y+2 z

and

-4 x+9 y-11 z

?

$-6 x+10 y-2 z$
$6 x+10 y-2 z$
$-6 x-10 y-2 z$
$-6 x+10 y+2 z$

Solution:

(a)

x-3 y+2 z

.....................On adding

{-4 x+9 y-11 z}/{-3 x+6 y-9 z}

.......(1)

3 x-4 y-7 z, \subtracting \from \Eqn. (1)

-3 x+6 y-9 z

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