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Mathematics 11 Online
OpenStudy (dls):

If f(x)=(x-a)(x-b) ,find the value of x for which f'(x)=0

OpenStudy (dls):

\[\LARGE f'(x)=2x-a-b\]

OpenStudy (dls):

i have to equate it to 0?

OpenStudy (dls):

2x=a+b

hartnn (hartnn):

yes

hartnn (hartnn):

x=..?

OpenStudy (dls):

x=a+b/2?

hartnn (hartnn):

yup, don't forget to put brackets (a+b)/2

OpenStudy (dls):

yes..is that it? seriously :P

hartnn (hartnn):

yup.

OpenStudy (dls):

alright!

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