If x = 2/3and x =-3 are the roots of the quadratic equation ax? +7x+b = 0
then find the values of a and b.
[CBSE 2011]
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The given equation is ax2 + 7x + b = 0. Its roots are given as x 1 = − 3 and x 2 = 2 3 . Thus, the values of a and b are 3 and −6, respectively.
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