Write the expression in the standard form a + bi.(6 + 8i)(4 - 6i)
A. -24 + 68i
B. 72 + 4i
C. -48i2 - 4i + 24
D. 72 - 4i
Answer: D
Mathematics
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Provide an appropriate response.A student knows that 
diverges, but needs to investigate 
, where 
Does this integral necessarily also diverge?
A. No B. Yes
Mathematics
Perform the indicated operation(s). Simplify if possible.- 
- 
A. 
B. 
C. 
D. 
Mathematics
Find the exact value of the expression.tan-1 (-
)
A. 
B. - 
C. - 
D. 
Mathematics
Simplify. If the answer is not a real number, state so. Assume all variables represent non-negative real numbers.
A. 0.36 B. 0.03 C. 0.02 D. 0.6
Mathematics