0606 P12 - Nov 2019 - Q3 - 6 marks
8335
The first three terms in the expansion of
\(\left(1-\frac{x}{7}\right)^{14}(1-2x)^4\)
can be written as \(1+ax+bx^2\). Find the value of each of the constants \(a\) and \(b\).
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