Find first four terms of the indicated expansion by use of the binomial series.(1 + x)-1/2
A. 1 + 
x + 
x2 + 
x3 + . . .
B. 1 + 
x - 
x2 + 
x3 - . . .
C. 1 - 
x + 
x2 - 
x3 + . . .
D. 1 - 
x + 
x2 - 
x3 + . . .
Answer: D
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A. 
B. 
C. 
D. 
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while the annual percentage rate refers to the effective rate of a(n) 
.
A. investment, yield B. loan, quota C. arrangement, yield D. investment, loan
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A. ?
B. 
C. 
D. 