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- dw 22. If w = f(ax + by), show that b = 0. a ду Hint: Let ax + by = z.1. Let T-t(14) and P(-b2. If r=(x.y. ), find V •r.Exercise 4.6.9. If a8. Find f (0) if f(w): = 2- ew 1 + ew5. Let M = [-2 4 3] . Determine a constant C such that (CM)( CM") = [261]. Is there more than one value of C that can be used?Recommended textbooks for youAdvanced Engineering MathematicsAdvanced MathISBN:9780470458365Author:Erwin KreyszigPublisher:Wiley, John & Sons, Incorporated
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