IIT JEE , AIEEE Forum - Mathematics , Differential Calculus - Interesting ques. on differentiation rates assured

Ajitres

If f(x)= (x-a)(x-b)(x-c)..............................................(x-z)
then find the value of
f'(x)=?

dip_xaverian

take log on both sides and differentiate. That shud do.

ambareesh13

answer is very easy
it is 0
am i right yeah i am suer it is right

dont forget to rate me

Ajitres

can u give the detail?

nadeemoidu

f(x)=(x-a) (x-b)......(x-x)...(x-z)
    =(x-a) (x-b)......0...(x-z)
    =0

since 0 is a constant f `(x)=0

ambareesh13

i think rates were assured..

krishna.gopal

Good answer ambreesh, but poor question ajitres. This is more like playing tricks then a genuin differentiation question

spideyunlimited

there will be on term with (x-x) so the whole thing will become 0.
and diff. of a constant is 0.

rtiit

ans is zero as (x-x)=0
f(x)=0
f'(x)=0