Recovering a signed parameter
Recovering a signed parameter
4 marks
TGM Original
The coefficient of \(x^3\) in \((1-ax)^6\) is \(-160\). Find the real number \(a\).[4]
Solution:
Solution locked
680+ questions here come with free worked solutions. A free account saves your questions and progress; this one needs tuition enrolment.
Create a free account to practise similar questions.
Answer:\(2\)
Need help? Join our JC Math tuition classes.
Learn more