If a + b = 3 and a2 + b2 = 89, then
What is the value of \(\frac{1}{a} + \frac{1}{b}\) ?
1
\(3 \over 20 \)
2
\( - \frac{3}{{40}}\)
3
\( - \frac{3}{{20}}\)
4
\(1 \over 8 \)
If a + b = 3 and a2 + b2 = 89, then
What is the value of \(\frac{1}{a} + \frac{1}{b}\) ?