Let r1, r2, r3, and r4 be the roots of the equation x4 bx3 cx2 dx e 0. Use the method
Chapter 12, Problem 48(choose chapter or problem)
Let r1, r2, r3, and r4 be the roots of the equation x4 bx3 cx2 dx e 0. Use the method shown in Example 5 to prove the following facts: 49.er1r2r3 r2r3r4 r3r4r1 r4r1r2 dr1r2 r2r3 r3r4 r4r1 r2r4 r3r1 cr1 r2 r3
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