If a & b are the root of the equation 4x^2+3x+7=0, then 1/a+1/b=  Pick one
A) -3/7	B) 3/7	C) -3/5	D) 3/5	E) -3/4
we know that a+b=-3/4 and ab=7/4   so 1/a+1/b=(a+b)/ab   =(-3/7)   -3/7NSWER:-3/7
<result>A</result>
If a & b are the root of the equation 4x^2+3x+7=0, then 1/a+1/b=