Mathematics Enhanced Sample Scope and Sequence

In the third problem, you should still have an x2 term in the denominator. In the fourth problem, though, the denominator should have an i term but no i2 term. Explain why. In the fifth problem, the denominator should have no i at all. Explain why. Expand each of the following products. Then find the value of b that would give the product no i ... ................
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