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Mathematics 9 Online
OpenStudy (lukecrayonz):

Find the derivative g(x)=x^7(2.6)^x

OpenStudy (lukecrayonz):

\[x^7*(2.6)^x\]

OpenStudy (anonymous):

do you know the multiplication rule for derivative?

OpenStudy (lukecrayonz):

Product rule?

OpenStudy (anonymous):

yes thats it

OpenStudy (lukecrayonz):

It'd be x^7[d/dx(2.6)^x]+(2.6)^x[d/dx x^7]?

OpenStudy (lukecrayonz):

Just having a problem with 2.6^x, I know it has something to do with the power of x and ln lol :(

OpenStudy (anonymous):

yes correct

OpenStudy (anonymous):

(7x^6)(2.6)^x + (x^7)(x)(2.6)^x(ln2.6)

OpenStudy (lukecrayonz):

x^7*ln(2.6)*(2.6)^x+7x^6(2.6)^x

OpenStudy (anonymous):

@Sky15 ODTÜ is a fine university kind sir, i study at itü.

OpenStudy (lukecrayonz):

So I got it right just not entirely sure how lol

OpenStudy (anonymous):

yeah practive it more its straight forward just a lot of operations.

OpenStudy (lukecrayonz):

So pretty much: first term of the deriv is outside times ln (number) and drop the exponent, times number with the exponent, plus derived outside times original number and exponent? lol

OpenStudy (lukecrayonz):

IDC if it's the "wrong way" it's my last math class ever :DDDD

OpenStudy (anonymous):

may the math gods be always with you :P

OpenStudy (lukecrayonz):

Help me on my new question since I am completely lost lol

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