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Official 2016 Paper 1 · Q11

Paper 1Algebra

The real roots of the equation 42x+12=22x+34^{2x}+12=2^{2x+3} are pp and qq, where p>qp>q.

The value of p−qp-q can be expressed as

A34\dfrac{3}{4}
B1
C4
D−12+log⁡1032-\dfrac{1}{2}+\log_{10}\dfrac{3}{2}
Elog⁡103log⁡104\dfrac{\log_{10}3}{\log_{10}4}
Flog⁡103log⁡102\dfrac{\log_{10}3}{\log_{10}2}

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