Question

pls solve the question no c​

Answer 1

a)x^4+3x^2-2x

differentiate

=4x^3+6x-2=0

b)x^2cosx

differentiate

-2xsinx

c)(6x+7)^4

differentiate

4(6x+7)^3

d)e^x×x^5

differentiate

x^5=5x^4

e)1+x/e^x

differentiate

1+x=x+1=1

These answers may HELP you

please MARK as BRAINLIST answer

Answer 2

SOLUTION:-

$\implies \frac{d}{dx} (6x + 7) {}^{4} \\ \\ \implies \: \frac{d}{dx} (6x + 4) {}^{4 - 1} . \frac{d}{dx} (6x + 4) \\ \\ \implies \: (6x + 4) {}^{3} .(6 + 0) \\ \\ \implies \: 6(6x + 4) {}^{3}$

uses formula

$\implies \star\pink{ \frac{d}{dx}x {}^{n} = nx {}^{n - 1} }$

$\implies \star\pink{ \frac{d}{dx}a =0 }$

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thank you❤