Express in terms of i.
A. -9i
B. i
C. 9i
D. ± 9
Answer: C
Mathematics
You might also like to view...
Use implicit differentiation to find the specified derivative at the given point.Find 
at the point (1, 1) for 2x2 + 6y3 + 3xy = 0.
A. - 
B. - 
C. 
D. - 
Mathematics
Use the product rule to multiply. Assume all variables represent positive real numbers.
? 
A. 
B. 162x4
C. 9x2
D. 
Mathematics
Find the exact value under the given conditions.sin ? = 
, 
< ? < ?; cos ? = 
, 0 < ? < 
Find sin (? - ?).
A. - 
B. 
C. 
D. 
Mathematics
Solve the equation.log (x + 4) = log (4x + 1)
A. 
B. 1
C. 
D. - 1
Mathematics