if a and b are the zeroes of the quadratic polynomial f(x)=3x2 +5x -4, then (1/a +1/b)=?

Asked by Ritwika Sharma | 1st Sep, 2012, 08:29: PM

Expert Answer:

Given,  a and b are the zeroes of the quadratic polynomial f(x)=3x2 +5x -4
 
Therefore,
a + b = -5/3
ab = -4/3
 
Now, 1/a + 1/b = a + b / ab 
Substitute the values to get the answer.

Answered by  | 2nd Sep, 2012, 12:46: PM

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