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Mathematics 9 Online
OpenStudy (anonymous):

How do I find the integral of like four integrals that are combined?

OpenStudy (anonymous):

\[\int\limits_{a}^{b}f(x)dx=13, \int\limits_{a}^{b}(f(x))^2dx=8, \int\limits_{a}^{b} g(t)dt=7, and \int\limits_{a}^{b} (g(t))^2dt=10\]

OpenStudy (anonymous):

Given that find the integral \[\int\limits_{a}^{b}(f(x))^2-(g(x))^2)dx\]

OpenStudy (campbell_st):

well it may be a typo by your integrals are involving different variables.... one x and one t. but your problem can be written as, using some of the basic rules of integrals \[\int\limits_{a}^{b}( f(x))^2 dx - \int\limits_{a}^{b} (g(x))^2 dx\] now you can substitute the values and get 8 - 10 = -2

OpenStudy (anonymous):

so -2 is the answer?

OpenStudy (anonymous):

Ohhhh okay I get it! Thank you!!! :)

OpenStudy (campbell_st):

glad to help

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