15. Write the quadratic equation whose roots are 5 and -2.
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Step-by-step explanation:
answer is in the pic
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Step-by-step explanation:
Two roots are 5 and -2
Sum of two roots = 5 + (-2) = 5 - 2 = 3
Product of the roots = 5 * (-2) = -10
Formula for framing quadratic equation is
x^2 - (sum of roots) x + (product of roots) = 0
=> x^2 - 3x + (-10) = 0
=> x^2 - 3x - 10 = 0
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