Write the expression in the standard form a + bi.i18
A. i
B. -i
C. 1
D. -1
Answer: D
Mathematics
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Perform the subtraction and simplify.
?
?
A. 
B. ?
C. ?
D. ?
E. ?
Mathematics
Simplify. Write your answers in the form of a+bi, where a and b are real numbers.
+ 
A. - 
+ 
i
B. 
+ 
i
C. 
- 
i
D. - 
- 
i
Mathematics
Find the indicated sum. Find the sum of the first 7 terms in the geometric series 3 + 9 + 27 + . . .
A. 1122 B. 3279 C. 9840 D. 1092
Mathematics
Simplify.
A. 10
B. 
C. 20
D. 2x + 9
Mathematics