Mathematics (AS & A Level) · May / June 2016 · Paper 21 · Question 3
9709
As printed in the paper
The question as text
Given that 3ex + 8e−x = 14, find the possible values of ex and hence solve the equation 3ex + 8e−x = 14 correct to 3 significant figures. [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.