Answer: In Exercises 122, determine the constants (denoted by capital letters) so that
Chapter 12, Problem 11(choose chapter or problem)
In Exercises 122, determine the constants (denoted by capital letters) so that each equation is an identity. For Exercises 1 6, do each problem in two ways: (a) use the equating-the-coefficients theorem, as in Example 1; and (b) use the convenient-values method that was explained after Example 1. For the remainder of the exercises, use either method (or a combination).3x2 7x 21x 12 1x2 12 Ax 1Bx Cx2 130x
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