Paper 12 Oct Nov 2019 Pure Math I – 9709/12/O/N/19
Check out my complete solution here: » Full Solutions « Like and subscribe too! =) 1. The coefficient of $ \ x^2 \ $ in the expansion of $ \ (4 + ax) {(1 + \frac{x}{2})}^{6} \ $ is $ \ 3$. Find the value of the constant $ \ a$. $$\tag*{[4]} $$ …
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