CSEC Additional Mathematics · 2018 · Paper 1 · Question Q16
The value of x for which 3^{x + 2} + 3^x = 90 is
- (A)
\frac{1}{2}\left(\frac{\log 90}{\log 3} - 2\right) - (B)
2 - (C)
44 - (D)
\left(\frac{\log 10}{\log 3}\right)
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