Question 29
MediumOriginal questionHow do and compare?
Show the answer and explanation
CorrectNot quiteAnswer D
Correct answer: D
Explanation
Multiply top and bottom by : the bottom becomes .
So .
Worth noting
, so the first number is positive.
- Concept
- Rationalising to compare
- Typical timeTypical
- 90 s
- Your timeYours
- —
Practise this chapter →
Ten questions from Numerical Inequalities, at your own pace.