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Find the roots of the following quadratic equations i) 6sqrt5 x^(2) – 9x -3sqrt5 = 0 ii) x^(2) - x - 12 = 0 iii) 2x^(2) - 6x + 7 = 0 iv) 4x^(2) - 4x+17 = 3x^(2) -10x-17 v) x^(2) + 6x + 34 = 0 vi) 3x^(2) + 2x - 5 = 0

Answer»


Answer :i) 5,4 ii) -3, 4 III) `-3 +- 5i` iv) `(2)/(sqrt3), 4sqrt3` v) `-3+-5i` VI) `(-5)/(3)`, 1


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