(Solved) Find derivative using quotient rule

Orlando0

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3 years ago Edited: 3 years ago, Orlando0

Find derivative using quotient rule

Questions and the actual answers

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bio_man

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3 years ago

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Orlando0 Author

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3 years ago

i'm a little confused. question 2, for the final answer I got the same thing but as I expanded it, it didnt give me the answer in red. and for the 1st one I dont understand how u used the quotient rule heres what I did

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bio_man

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3 years ago

Opps, I missed a factor for #1

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bio_man

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3 years ago

Quote from: Orlando0 (3 years ago)

question 2, for the final answer I got the same thing but as I expanded it, it didnt give me the answer in red. and for the 1st one I dont understand how u used the quotient rule heres what I did

Just use the exponent laws as you expand it all out.

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Orlando0 Author

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3 years ago

so the answer for number 1) in red is wrong and I'm right?
question 2 still not getting the answer would u mind showing me how its done? would like to see where my mistake is at. thank u

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Orlando0 Author

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3 years ago

it doesnt make sense to me like for some questions that are very similar to question 2, I get the right answer and all I did was just expand and add like terms and then for some questions the answer is different when I add and expand. Heres another one that I was tying to do and already the answer in red says it isn't the right answer.

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bio_man

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3 years ago

Quote from: Orlando0 (3 years ago)

so the answer for number 1) in red is wrong and I'm right?

\(\left(4x^3+4\right)^2\rightarrow \left(4x^3+4\right)\left(4x^3+4\right)\)

The reason I'm shying away from actually doing it for you because by now you should know how to expand and collect like-terms correctly.

\(\left(4x^3+4\right)\left(4x^3+4\right)=16x^6+16x^3+16x^3+16\)

The middle two terms are alike.

Try doing this for the second question, and show me your attempt.

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Orlando0 Author

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3 years ago

bio man I know how to add like terms it wouldnt make sense for me to get some of the questions right and some of them wrong by doing the same thing,

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bio_man

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3 years ago

Here you go:

Where are you getting those red answers from?

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