Grade 99 grade maths
if a and b are the roots of the qudratic equation 5y2-7y+1=0 the find the vlue of 1/a+1/b
if a and b are the roots of the qudratic equation 5y2-7y+1=0 the find the vlue of 1/a+1/b
1 Answer
Prashant
Simply sove 5y^2+7y+1, u`ll get a=7/10+√29/10 and b=7/10-√29/10Then, simply reciprocal a and b.U`ll get 1/a+1/b=140/20=7.I hope u`ll get it.
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