2012 RVHS P1 Q9 (a)

2012 RVHS P1 Q9 (a)

Prelims
  1. Express \(\frac{r+1}{r+2}-\frac{r}{r+1}\) as a single fraction.
  2. Hence, find \(\sum\limits_{r=1}^{10}{\left( \frac{1}{{{r}^{2}}+3r+2}-\ln {{r}^{2}} \right)}\)in the form \(\frac{p}{q}-2\ln k\) where \(p\),\(q\) and \(k\) are integers.

Video Solution:

Video Solution

Video solution locked

A free account saves your progress; this video needs tuition enrolment.

Solution:

Solution locked

680+ questions here come with free worked solutions. A free account saves your questions and progress; this one needs tuition enrolment.

Create a free account to practise similar questions.

Answer:\(\dfrac{5}{12} - 2\ln(3628800)\)

Need help? Join our JC Math tuition classes.

Learn more