Chap 6 Error Analysis Homework 2 Ex 6.2 Q1(l) #1

Go through the working and attempt to identify where the error is.

10 comments:

  1. Line 1:2x should also be simplified not just 3

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  2. line 1 : if he were to do that, he should do it with every single number in the fraction 2x+3/3

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  3. He should also divide the 2x and not only the 3 on line 1.

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  4. On Line one, the person should not cancel the 3s away. The numerators must be multiples of 3 in order to be able to cancel.

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  5. There is a mistake at Line 1. He should not cancel both the 3 on the numerator and denominator . The numerators must be multiple of 3 to be able to be cancelled.

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  6. There is a mistake in line 1 . 3 should not br canceled by the denominator.Both the numerators should be a common multiple inorder for the cacellation to work

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  7. There is a mistake in line 1 to 2, the error is in 2x+3/3=2x it should be 2x+3/3=2x/3+1

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  8. The cancelation method will only work when both of the numerators and are common multiple of the denominator.

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  9. In line 1, he should not cancel the both threes, instead just leave it.

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  10. line one: He cannot do that as2x is not a multiple of 3

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