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Beyond Horizon Set 2 Paper 1 · Q18

Paper 1Powers & logarithms

If (log⁡3x)(log⁡4x)(log⁡5x)=(log⁡3x)(log⁡4x)+(log⁡4x)(log⁡5x)+(log⁡5x)(log⁡3x)(\log_3x)(\log_4x)(\log_5x)=(\log_3x)(\log_4x)+(\log_4x)(\log_5x)+(\log_5x)(\log_3x) and x≠1x\ne 1, then xx is

A1010
B100100
C5050
D6060
E8080
F9090

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