![King's Maths School [logo]](/image-library/logos/kcl-ms-logo.jpg){kind=logo}
Challenge 4: Testing Divisibility
Can you find all the values of n for which this expression is divisible by 11?
For which values of n is n2 + 3n + 5
a) divisible by 11?
b) divisible by 121?
You should aim to prove any assertions you make.
Can you find all the values of n for which this expression is divisible by 11?
For which values of n is n2 + 3n + 5
a) divisible by 11?
b) divisible by 121?
You should aim to prove any assertions you make.