18) A light ray gets reflected from the x=-2. If the reflected ray touches the circle `x^2 + y^...
416 views · Published 12 October 2018 · 7:29 · Indexed 4 October 2026
Channel: Doubtnut · 2018 · Education
To ask Unlimited Maths doubts download Doubtnut from - https://goo.gl/9WZjCW 18) A light ray gets reflected from the x=-2. If the reflected ray touches the circle `x^2 + y^2 = 4` and point of incident is (-2,-4), then equation of incident ray is A)4y + 3x + 22 = 0 B) 3y + 4x + 20 = 0 C) 4y + 2x + 20 = 0 D) y+x+6-0
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