22-03-2016
Mathematics

contestada

Find the value of x when dy/dx=0:

y=4x^2+2x+1

Thanks

Please show full working out

Note (^2 means squared).

Respuesta :

reem1219 reem1219

22-03-2016

dy/dx=8x+2
Then 8x+2=0
x=-1/4

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