Use a trigonometric substitution to evaluate the integral.
A. sec-1 (ex) + C
B. sin-1 (ex) + C
C. -2
+ C
D. ex sin-1 (ex) + C
Answer: B
Mathematics
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A. 59 cm B. 57 cm C. 44 cm D. 165 cm
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Find the product.(-9y)(-2y8)
A. -11y8 B. 18y9 C. 9y - 2y8 D. -18y9
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Express the given logarithm as a sum and/or difference of logarithms. Simplify, if possible. Assume that all variables represent positive real numbers.log4
A. 
log4p + 
log4q - 
log4t
B. 
log4p + 
log4q - 2 log4t
C. 
log4p ? 
log4q ÷ 2 log4t
D. 3 log4p + 5 log4q - 2 log4t
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The number of desks in one row is 
. How many desks are there in a room of 
rows if they are arranged in a rectangular arrangement?
?
A. 
B. 
C. 
D. 
E. 
Mathematics