If the roots of 2x^2+5px+7q=0 are resiprocal then find q

1.	If the roots of 2x^2+5px+7q=0 are resiprocal then find q
Answer» 2x²+5px+7q=0Let the roots are a and 1/aProduct of roots=a*1/a=1so 7q/2=1So q=2/7

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