Find det A using the method of cofactors.A = 
A. -78
B. -2
C. 2
D. 14
Answer: C
Mathematics
You might also like to view...
Write the first four terms of the geometric sequence with the given values.a1 = 160, r = 
A. 10, 20, 40, 80 B. 160, 80, 40, 20 C. 5, 10, 20, 40 D. 80, 40, 20, 10
Mathematics
Write the interval in set-builder notation and graph the set on a number line.
A. 
B. 
C. 
D. 
Mathematics
Simplify the expression.
A. -sin x B. -cos x C. cos2x D. sin 2x
Mathematics
Find the general term an of the given sequence.4, 10, 16, 22, 28, . . .
A. an = 6n - 1 B. an = 4(6)n-1 C. an = 2n - 6 D. an = 2(3n - 1)
Mathematics