Standard +0.3 This question requires applying logarithm laws to rewrite 2ln x as ln(x²), then exponentiating to get a quadratic equation. It's slightly above average difficulty due to the algebraic manipulation needed, but follows a standard pattern for log equations with no novel insight required.
Remove logarithms and obtain a correct equation in x. e.g.x
A1
Obtain answer 0.763 and no other
A1
Total:
3
Question 1:
1 | Use law of the logarithm of a power or a quotient | M1
2+1=ex 2
Remove logarithms and obtain a correct equation in x. e.g.x | A1
Obtain answer 0.763 and no other | A1
Total: | 3