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LuisG72
Posts: 36
Posted 11:07 Apr 11, 2020 |

I think I found an error on question 5 of the practice quiz. The final dc coefficient should be -10 if we follow the formula Diff(i) =  DC(i) - DC(i-1) but it says the correct answer is 10.

 

yzhao52
Posts: 32
Posted 10:06 Apr 13, 2020 |

Thanks for this correction. It's one typo. I'll give students credit for answers of both 10 and -10.

Last edited by yzhao52 at 10:08 Apr 13, 2020.
LuisG72
Posts: 36
Posted 18:32 Apr 13, 2020 |

Ok thank you!