for what value of (k)the roots will be equal [x square -2x(1+3m)+7 (3+2m)=0]
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m=2 just find b^2-4ac=0
Anonymous:
please tell me the full answer
comparing b=2(1+3m) and a =1 and c= 7(3+2m). next find b^2= 4ac .you can find it is 9m^2-8m-20=0 then solve it and it is 2
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