77. The curve Ax² + Bxy + Cy² = 16 passes through R(2√3, 1) and S(-2√3, 1), where A, B and C are constants. (a) Show tha
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77. The curve Ax² + Bxy + Cy² = 16 passes through R(2√3, 1) and S(-2√3, 1), where A, B and C are constants. (a) Show tha
77. The curve Ax² + Bxy + Cy² = 16 passes through R(2√3, 1) and S(-2√3, 1), where A, B and C are constants. (a) Show that B = 0. (b) If the slope of the tangent to the curve at Ris √√3 find the values of A and C. 2 2
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