Question #d1a65

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Answer 1 · 2017-10-01T16:57:32

#f'(2)=1/2#

#f'(x)=d/dx sqrt(2x)#

#=d/dx sqrt2*x^(1/2)#

#=sqrt2*1/2*x^(1/2 -1)#

#=1/(sqrt2*sqrtx)#

#=1/sqrt(2x)#

Now, #f'(2)=1/(sqrt(2*2)#

=#1/sqrt4#

=#1/2#