Anglo-Chinese Junior College
Binomial expansion of (1-4x^2)^(-1/2), then integrate term by term for arcsin 2x.
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Maclaurin series in H2 Mathematics (9758) covers building series from the standard expansions (MF27) by substitution and composition, the implicit-differentiation method, and small-angle approximations — then using a series to approximate or to read off a coefficient.Real 2025 prelim questions with full worked solutions. For guided help, see our JC H2 Maths tuition.
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Binomial expansion of (1-4x^2)^(-1/2), then integrate term by term for arcsin 2x.
ex sin (x+ pi ); binomial match
1/(4+9x2); arctan series
Binomial and exponential series build a composite expansion, then integrate to approximate an integral.
cos (t3); integrate; verify
Triangle; implicit diff to x5
Implicit differentiation of a differential equation to build the Maclaurin series for y and e^(arctan 3x).
Small angle; triangle approx.
Implicit differentiation of a log-root function to build and deduce Maclaurin series.
Maclaurin + sketch + approximation
ln (a+x); composition; integral
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