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Beyond Horizon Set 1 Paper 1 · Q4

Paper 1Algebra

What is the sum of the coefficients in (2x+3x2+5x)3\left(\dfrac{2}{x}+\dfrac{3}{x^2}+5x\right)^3?

A10001000
B750750
C125125
D343343
E100100
F729729

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