Differentiating a odd power combination

[narrow plover]

For this question basically I can do it all fine besides the final step here is my working

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[narrow plover]

Im sorry if it looks messy anything in the box is related to that question

yea but basically its the -4(4)^-3 part which im unsure how to expand correctly

(4)^-3 = 64

-4(64)

-256

and that just is not correct for the final answer which is 3/16

[narrow plover]

.rotate

oh wait sry

its alr imma use a rotate image thingy online

ah youre quicker than me nice

Okay that is helped @narrow plover thanks a lot

[lime pivot]

@keen berry has given 1 rep to @bright marsh

[narrow plover]

+close