Question: In a triangle ABC with usual notation if (a + b) (a-b) = c (b+e) then the triangle must be (A) an obtuse angled

In a triangle ABC with usual notation if (a + b) (a-b)

In a triangle ABC with usual notation if (a + b) (a-b) = c (b+e) then the triangle must be (A) an obtuse angled (B) right angled but not isosceles (C) isosceles right angled (D) equilateral

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