If a andb are the roots of the equation 3x^2 - 5x +4 =0 find the 1/a + 1/b =?
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Here, sum of roots=5/3
& Product of roots=4/3
now, 1/a+1/b=a+b/ab=5/3/4/3=5/4
& Product of roots=4/3
now, 1/a+1/b=a+b/ab=5/3/4/3=5/4
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