Advanced chained identity expansions
Advanced chained identity expansions
Secondary 2
3 marks
TGM Original Questions
Expand and simplify \((1+3x)(1-3x)(1+9x^2)\).[3]
Solution:
Solution locked
680+ questions here come with free worked solutions. A free account saves your questions and progress; this one needs a course plan.
Create a free account to practise similar questions.
Answer:\(1 - 81 x^{4}\)
Need help? Join our E-Maths tuition for O-Level success.
Learn more