The expression 4/n+1 + 3/n-1 is equal to....
Is the answer 7n-1/n^2-1 ????
We want to combine these two fractions. However, their denominators are different. Multiply both top and bottom of the first fraction by n-1 and multiply both top and bottom of the second fraction by n+1:
Multiply through and simplify. Take note that .
Hope this makes sense!
Lol actually the question was extremely easy (even for me, maths tragic). I got the same answer you did, but the problem is it's a multiple choice question and neither of them are what I had.
The options are:
Is the answer that we got the same as any of these???