Quick round of applause for GMAC
As if calculus isn’t mindnumbing enough on a Sunday afternoon, I have found out that the GMAC MBA Quantitative Skills CD has the formula for the quotient rule wrong (but applied correctly in the answers). Because they show it as the product rule over the square, rather than with a minus between the terms.
Bound to be endless fun for the none-maths-types preparing for preterm, that. And if anyone wants to know why I only saw this the day before the exam? Well, I like things to be…er…fresh in my mind.
Which is why I am writing this, rather than studying the accountancy CD.
edit - I found that in the lessons section, which I only just looked at, they get it right. In the practice section that I went straight to, it was wrong when the rule flashed up. Pretty bad, all the same

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