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Core 2 help - AQA

Hey could anybody help me differentiate this:

y = x + 3 + 8/x^4 (x^4 meaning x to the power 4) :smile:

I got an answer, which is -24x^-5 +1 however I am not confident with it and I am fairly certain it's wrong :frown:

Thanks for any help! :smile:
Yes, you are slightly wrong, its 1 -32x^-5
because -4 times 8 is -32 not -24 :P.

Multiply by the power, and then reduce the power by 1.
Reply 2
Avatar for jimimick
jimimick
2
Original post by raveen789
Hey could anybody help me differentiate this:

y = x + 3 + 8/x^4 (x^4 meaning x to the power 4) :smile:

I got an answer, which is -24x^-5 +1 however I am not confident with it and I am fairly certain it's wrong :frown:

Thanks for any help! :smile:


put more brackets in or write it in latex (google it) so i know what ur asking
Original post by In One Ear
Yes, you are slightly wrong, its 1 -32x^-5
because -4 times 8 is -32 not -24 :P.

Multiply by the power, and then reduce the power by 1.


ThIs.
Reply 4
Avatar for raveen789
raveen789
OP
9
Original post by In One Ear
Yes, you are slightly wrong, its 1 -32x^-5
because -4 times 8 is -32 not -24 :P.

Multiply by the power, and then reduce the power by 1.


Ahh yeah thanks lol I always make stupid mistakes, thanks for the help! :smile:

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