Simplify. Be sure to rationalize the denominator. Assume that all variables represent positive real numbers.
A. 
+ 
B. 
- 
C. 
D. 
- 
Answer: B
Mathematics
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By calculating an appropriate number of terms, determine if the series converges or diverges. If it converges, find the limit L and the smallest integer N such that 
for 
otherwise indicate divergence.an = 
A. L = 0, N = 5
B. L = 
, N = 8
C. L = 
, N = 6
D. diverges
Mathematics
Find the equation of the line that passes through the two given points. If possible, write your equation in slope-intercept form.(2, -4) and (-5, -9)
A. x = - 
y - 
B. x = 
y - 
C. y = - 
x - 
D. y = 
x - 
Mathematics
Determine if matrix A is invertible.A = 
A. Not invertible B. Invertible
Mathematics
Determine whether the matrices are inverses.
, 
A. Yes B. No
Mathematics