Answers by visitors named: tan

when given 5,5,5,5,5 using the order of operations and parenthesesto make a true expression where would i place my -,+ *,/ to make the answer equal 1

i don't understand this part:dt/(t^2 + 1) = (1/2)ln(t^2 + 1)

-2.3i+4.5j

0.45

can you elaborate please? i dont get how you can find the final answer