Let the centre of a circle C be (α, β) and its radius r < 8. Let… | JEE Main 2023 Mathematics PYQ

MCQMediumJEE Main 2023 · 13 April, Shift 2Circle Equation & Properties

Let the centre of a circle C be $(\alpha, \beta)$ and its radius $r < 8$ . Let $3x + 4y = 24$ and $3x - 4y = 32$ be two tangents and $4x + 3y = 1$ be a normal to C. Then the value of $(\alpha - \beta + r)$ is equal to:

A
$5$
B
$6$
C
$7$
D
$9$

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