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pls answer maths q (1 Viewer)

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blacktown_

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the curve f(x)= ax^4 - 2x^3 + 7x^2 - x + 5 has a stationary point at x=1. find the value of a
 
Nws m8

Nws m8

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differentiate f(x), sub x=1 and find a :)
 
Aysce

Aysce

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Since it is a stationary point, set f'(x)=0, sub for x=1 and solve for a.
 
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