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A test case for what?

\(\int\) ? Integral.

Which of the .189 problems uses integrals?

( )

Parenthesis, used for grouping and enforcing order of operations.

\(7*(\frac{1}{2})\) tells you to do the 1/2 first and then multiply by 7.

Its not a parentheses and its only over the 1.

Theres another in Homework 2 Ex 2.3 question 2 next to angle_test.

Yah, but with \left( \right to make them the same size as the fraction:
\(7*\left(\cfrac{1}{2}\right)\)

Which version of the Acrobat Reader do you have?

Part of your parenthesis is missing.

:)

Or :` in his case.

Lol. Cheers guys.

haha

Have fun!