If \(a + b = \frac 7 3\) and \(a^2 + b^2 = \frac {31} 9,\) find 27 – McqOptions

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1.	If \(a + b = \frac 7 3\) and \(a^2 + b^2 = \frac {31} 9,\) find 27 (a3 + b3).
A.	154
B.	156
C.	152
D.	164
Answer» B. 156

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