1.

If x 2/3 andxand b0, find the values of aICBSE 2016]-3 are the roots of the equation ax2 +7x +b

Answer»

Given the roots are 2/3 and -3 so sum of roots = 2/3-3 = (2-9)/3 = -7/3 = -7/a (from question) so a = 3. and product of roots = 2/3*(-3) = -2 =b/a (from question) so, b = -2*3 = -6.



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