Simplify.i7
A. i
B. -1
C. -i
D. 1
Answer: C
Mathematics
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Solve the differential equation.
= 4x3e-y
A. y = x4 + C B. y = ln (x4 + C) C. y = ln (4x4 + C) D. y = C ln (x4)
Mathematics
The Roman numeral CXII can be written as the Hindu-Arabic number
A. 62 B. 107 C. 57 D. 42
Mathematics
Evaluate.i23 ? i11
A. i B. -i C. 1 D. -1
Mathematics
Use the fact that the trigonometric functions are periodic to find the exact value of the expression. Do not use a calculator.tan 720°
A. 
B. -1
C. 0
D. undefined
Mathematics