Find the indicated matrix product or state that the product is undefined.A = 
, B = 
BA
A. 
B. 
C. 
D. Undefined
Answer: D
Mathematics
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Find a formula for the nth partial sum of the series and use it to find the series' sum if the series converges.
+ 
+ 
+ ... + 
+ ...
A. 
; 3
B. 
; 
C. 
; 3
D. 
; 
Mathematics
It is estimated that __________ % of the world’s technological advances have evolved in the last 100 years.
a -20% b -50% c -65% d -80%
Mathematics
Determine whether the ordered pair is a solution of the given linear equation.x = 
y; (6, 48)
A. yes B. no
Mathematics
Solve the quadratic equation.x2 + 4x + 4 = 11
A. 2 ± 
B. 9
C. -2 ± 
D. No real solutions
Mathematics