Factor the difference of two squares.x2 - 49
A. (x2 + 7)(x2 - 7)
B. (x - 7)(x - 7)
C. (x + 49)(x - 49)
D. (x + 7)(x - 7)
Answer: D
Mathematics
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Evaluate the cylindrical coordinate integral.
A. 
B. 
C. 
D. 
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Provide an appropriate response.Given ? > 0, find an interval I = (5 - ?, 5), ? > 0, such that if x lies in I, then 
< ?. What limit is being verified and what is its value?
A. 
= 0
B. 
= 0
C. 
= 0
D. 
= 5
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L'Hopital's rule does not help with the given limit. Find the limit some other way.
A. -1 B. 0 C. 1 D. ?
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Evaluate the integral.
A. - 378 B. - 2646 C. - 945 D. - 1701
Mathematics