2025 Ahmad Ibrahim Secondary School Prelims A Math Paper 1
In the expansion of \( (2+x)^n \), where \( n \) is a positive integer, the coefficient of \( x^2 \) is twice the coefficient of \( x \). Find the value of \( n \).[3]
Find the value of the term that is independent of \( x \) in the expansion of
\[\left(2x-\frac{1}{4x^4}\right)^{15}.\][4]
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