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Let the circumcentre of a triangle with vertices A(a, 3), B(b, 5) and C(a, b), ab > 0 be P(1,1). If the line AP intersects the line BC at the point Q\left(k_1, k_2\right), then k_1+k_2 is equal to : | Watch the step-by-step video solution for this NIMCET PYQ.