Mathematics (AS & A Level) · Oct / Nov 2018 · Paper 13 · Question 5
9709
As printed in the paper
The question as text
In an arithmetic progression the first term is a and the common difference is 3. The nth term is 94 and the sum of the first n terms is 1420. Find n and a. [6]
Read automatically from the paper; the printed page above is exact.
Show the answer and mark scheme
Make a free account to save your answers and see your weak topics and ask the AI why a wrong answer is wrong.