15. In writing a quadratic equation of the form x² + px + q = 0, a student makes a mistake in writing
the coefficient of x and gets the roots as 8 and 12.
Another student makes a mistake in writing the
constant term and gets the roots as 7 and 3. Find
the correct quadratic equation.
(a) x2 - 10x + 96 = 0)
(b) x2 – 20x + 21 = 0
(c) x2 – 21x + 20 = 0
(d) x2 – 96x + 10 = 0
the coefficient of x and gets the roots as 8 and 12.
Another student makes a mistake in writing the
constant term and gets the roots as 7 and 3. Find
the correct quadratic equation.
(a) x2 - 10x + 96 = 0)
(b) x2 – 20x + 21 = 0
(c) x2 – 21x + 20 = 0
(d) x2 – 96x + 10 = 0
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