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differention c3 please pos rep for answers

massimo

differention c3 please pos rep for answers

differentiate

x(1+3x)⁵

2x(1+3x²)³

thanks

Reply 1

super_baros

massimo

differention c3 please pos rep for answers

differentiate

x(1+3x)⁵

2x(1+3x²)³

thanks

y=x(1+3x)^5
dy/dx = x . 5(1+3x)^4 . 3 + (1+3x)^5
=15x(1+3x)⁴+(1+3x)⁵

y = 2x(1+3x²)³
dy/dx = 2x . 3(1+3x²)² . 6x + 2(1+3x²)³
=36x²(1+3x²)²+2(1+3x²)³

Reply 2

bananas1234

massimo

differention c3 please pos rep for answers

differentiate

x(1+3x)⁵

2x(1+3x²)³

thanks

y=x(1+3x)⁵ dy/dx= 15(1+3x)⁴

y=2x(1+3x²)³ dy/dx= 12x(1+3x²)²

Reply 3

super_baros

shauniemac

y=x(1+3x)⁵ dy/dx= 15(1+3x)⁴

y=2x(1+3x²)³ dy/dx= 12x(1+3x²)²

dude.... the product rule....

Reply 4

massimo

the answers i have in the back of the book are

its dexecel henniman thingys 8.b are

(1+3x)⁴(1+18x)

2(1+3x²)²(1+21x²)

and yeah this is to do with the product rule

thanks

Reply 5

Dimez

On a side note, your pos rep isn't much of an incentive.

Reply 6

Libertine

massimo

the answers i have in the back of the book are

its dexecel henniman thingys 8.b are

(1+3x)⁴(1+18x)

2(1+3x²)²(1+21x²)

Yeah, just factorise what Baros did and you get these answers.

Reply 7

bananas1234

super_baros

dude.... the product rule....

Whoopsie this is why I do not think my C3 exam went well lol

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