Area under curve

[fredrick]

the area enclosed by the graph of , the x axis and the lines x=1 and x=3 is given by square units where a and b are positive constants. Find a and b.

my answers:



the answers they provide is and
im assuming there are an infinite number of a and b but i provided the simplest form so?

[humph]

Yeah, your answer seems better in that it is the simplest form. Was it a multiple choice question? Otherwise they ought to accept your answer.

[fredrick]

thanks, nope not a multiple choice.

[xox.happy1.xox]

I reckon your answer is indeed correct!

[Collin Li]