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Additional Math – Differentiation – Quotient Rule (Challenging)

By |2022-03-07T11:11:15+08:00March 7th, 2022|A-Math - Differentiation|

Differentiate $latex \displaystyle\ y=\frac{{{{x}^{2}}\sqrt{{x+1}}}}{{x-1}}$ with respect to x. Simplify the Numerator (otherwise you need to use both quotient rule for [...]

Additional Math – Binomial theorem – Using Normal Expansion vs Binomial Theorem

By |2022-01-07T14:47:45+08:00January 6th, 2022|A-Math - Binomial|

The above video shows  two method of expanding the  expression; using the algebraic expansion (rainbow method) versus the binomial theorem. [...]

Additional Math – Trigonometry – Solve cotangent half angle – 2cosine half angle = 2

By |2021-04-05T22:51:56+08:00April 5th, 2021|A-Math - Trigonometry|

$latex \displaystyle \cot \left( {\frac{x}{2}} \right)-2\cos \left( {\frac{x}{2}} \right)=0$ Convert cotangent into cosine divided by sine. $latex \displaystyle \frac{{\cos \left( [...]

Additional Math – Remainder and Factor Theorem – Find the integral value of n and p

By |2020-10-11T13:03:42+08:00October 11th, 2020|A-Math - Remainder and Factor Theorem|

when $latex \displaystyle {{x}^{{2n}}}-p$ is exactly divisible by (x+3), it means that  when you substitute x = -3 into the [...]

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