Ifx=2/3andx=-3 are the root oof the equations ax2+7x+b=0, find
the value of a and b
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Answer:
x=2/3
(x-2/3)=0
similarly
x+3=0
now
(x-2/3) * (x+3)
=> x2-7x/3-2=0
=>now multiply every number by -3
=> -3x2+7x+6=0
therefore a = -3
b= +6
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