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Official 2018 Paper 1 · Q15

Paper 1Algebra

Find the sum of the real solutions of the equation:

3x−(3)x+4+20=03^x-(\sqrt3)^{x+4}+20=0
A11
B44
C99
Dlog⁡320\log_3 20
E2log⁡3202\log_3 20
F4log⁡3204\log_3 20

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