60 A level Mathematics Edexcel 2018 Paper 1 Q11 Part a)

In this video, we tackle question 11 from the edXL 2018 A-level mathematics paper one, specifically focusing on part A. We will use binomial expansions to approximate a given expression involving square roots and fractions to a polynomial in terms of powers of X, up to the X squared term. This involves rewriting the original expression into a form suitable for the binomial theorem and then applying the theorem twice to separate components. Finally, we'll multiply the resulting expansions and collect like terms to arrive at the required approximation. Visit AxiomTutoring.com and subscribe to @AxiomTutoringCourses.