If a2 + b2 = 45 and ab = 18, then the value of \(\frac{1}{a}+\frac{ – McqOptions

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1.	If a2 + b2 = 45 and ab = 18, then the value of \(\frac{1}{a}+\frac{1}{b}\) is
A.	5/7
B.	7/8
C.	±1/2
D.	±1/3
Answer» D. ±1/3

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