Page 37 - Elementary_Linear_Algebra_with_Applications_Anton__9_edition

Reduce
18.

to reduced row-echelon form.
Find two different row-echelon forms of
19.

Solve the following system of nonlinear equations for the unknown angles α, β, and γ, where , , and
20. .

Show that the following nonlinear system has 18 solutions if , , and .
21.

For which value(s) of λ does the system of equations
22.

have nontrivial solutions?
Solve the system
23.

for , , and in the two cases , .
Solve the following system for x, y, and z.
24.

Find the coefficients a, b, c, and d so that the curve shown in the accompanying figure is the graph of the equation
25. .

Find coefficients a, b, c, and d so that the curve shown in the accompanying figure is given by the equation
26. .