TMUA 2019 Paper 1 Q13 — Worked Solution

P1·Indices, Logarithms & Exponentials, Trigonometry·6.5Official · 2019 · Q13

hidden-quadraticbounded-domaincomplete-the-square

Find the maximum value of

4^{s i n x} - 4 \times 2^{s i n x} + \frac{17}{4}

for real

x

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