Assume that the two points P(1,5) and Q(-2,3) are given. What is the distance between P and Q?
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Mathematics
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Use integration by parts to establish a reduction formula for the integral.
A. 
= - 
sinn-1 x cos x + 
B. 
= sinn-1 x cos x - (n - 1) 
C. 
= sinn-1 x cos x + (n - 1) 
D. 
= - 
sinn-1 x cos x - 
Mathematics
Divide and check the answer.
A. 18x7 - 30x2 + 1 B. 3x9 - 5x4 + x C. 3x8 - 5x3 + x2 D. 3x7 - 5x2 + x
Mathematics
Solve the equation by factoring.3x2 - 4x - 7 = 0
A. 
B. 
C. 
D. 
Mathematics
Find the root.
A. Not a real number
B. 1
C. 
D. 3
Mathematics