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Straight Lines and Pair of Straight Lines question

2024 · 8 Apr · Shift 2 · Q60

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Straight Lines and Pair of Straight Lines
2024 · 8 Apr · Shift 2 · Q60

Straight Lines and Pair of Straight Lines question

2024 · 8 Apr · Shift 2 · Q60

JEE MainMathematicsStraight Lines and Pair of Straight LinesNumerical+4 / −1

Let a ray of light passing through the point

(3,10)

reflects on the line

2 x+y=6

and the reflected ray passes through the point

(7,2)

. If the equation of the incident ray is

a x+b y+1=0

, then

a^2+b^2+3 a b

is equal to

\underline{\hspace{2cm}}

.

Numerical answer

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