Simplify the complex fraction.
A. - 
B. - 
C. 
D. - 
Answer: D
Mathematics
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Use Pascal's triangle to expand the binomial.(x - 3y)6
A. x6 - 18x5y + 135x4y2 - 540x3y3 + 1215x2y4 - 1458xy5 + 729y6 B. x6 - 18x5y - 108x4y2 - 486x3y3 - 972x2y4 - 1458xy5 - 729y6 C. x6 - 18x5y + 36x4y2 - 54x3y3 + 36x2y4 - 18x y5 + 3y6 D. x6 - 18x5y - 729x4y2 - 60x3y3 - 729x2y4 - 18xy5 - 3y6
Mathematics
Express in terms of i.
A. -20i
B. i
C. 20i
D. ±20
Mathematics
Combine like terms whenever possible. Write the result with descending powers.5x8 + 9x6 + 3x8
A. Cannot be simplified B. 17x6 C. 8x8 + 9x6 D. 17x22
Mathematics
Find the value(s) of the expression.the square roots of 
A. - 
, 
B. - 
, 
C. 
D. 
Mathematics