Solve the system using Gauss-Jordan elimination.
a. ( 14, 9, 3, 6 )
b. ( -14, 9, 3, 6 )
c. ( 14, -9, 3, -6 )
d. ( 14, -9, 3, 6 )
e. ( 14, 9, -3, 6 )
a. ( 14, 9, 3, 6 )
Mathematics
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The position vector of a particle is r(t). Find the requested vector.The velocity at t = 0 for r(t) = ln (t3 - 5t2 + 4)i - 
j - 5 cos (t)k
A. v(0) = 
i - 
j + 5k
B. v(0) = - 
j
C. v(0) = 
j
D. v(0) = 
i - 
j
Mathematics
Answer the following statement(s) true (T) or false (F)
AP Calculus examinations test students’ abilities to work with functions defined as integrals
Mathematics
Write a fraction to represent the shaded part of the figure.
A. 
B. 
C. 
D. 
Mathematics
Write the rational expression in lowest terms.
A. 
B. 
C. 
D. 
Mathematics