Two mark exercise problem I — task. Mathematics State Board, Class 10.

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Answer variants:

{3 x}^{2} - 5 x + 12 = 0

x^{2} + {(2 - a)}^{2} x + {(a + 5)}^{2} = 0

x^{2} + 9 x + 20 = 0

{2 x}^{2} + 3 x - 2 = 0

Determine the quadratic equations, whose sum and product of roots are

(i) \(-9\), \(20 =\)

(ii) \(\frac{5}{3}\), \(4 =\)

(iii) \(\frac{-3}{2}\), \(-1 =\)

(iv) \(-(2 - a)^2\), \((a + 5)^2 =\)

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14. Two mark exercise problem I