JEE Advanced Mathematics question

If the equations of the hypotenuse and a side of a right-angled isosceles triangle be and respectively then

(A)Correct
(B)
(C)Correct
(D)

Answer: (A),(C)

Solution

In a right-angled isosceles triangle each leg makes with the hypotenuse. The leg is vertical, so the hypotenuse makes with the vertical, i.e. its slope

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Question ID VK-108837