Mirror Image Absolute Value (Jee Mains) | ExamDuo
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3D Line Equations and Skew
Medium
Mirror Image Absolute Value
Let
a
,
b
∈
R
. If the mirror image of the point
P
(
a
,
6
,
9
)
with respect to the line
x
−
3
7
=
y
−
2
5
=
z
−
1
−
9
is
(
20
,
b
,
−
a
−
9
)
, then
|
a
+
b
|
is equal to
Ask about this question
SELECT ONE OPTION
A
88
B
86
C
84
D
90
Check