7) Solve ?3 x² + 10x + 7?3 = 0 by method of completing the square. 8) If the equation (1+m²)x² + 2mcx + (c²-a²) = 0 is a perfect square, then prove that c² = a²(1+m²)
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Step 1: Divide the whole equation by root three to simplify it: \[x^2 + 10(\frac{7}{\sqrt{3}})x + 7 = 0\] Show more…
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