Using first principles, (a) Show that (f(x)-8(x))'= f'(x)-g'(x).

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ISBN:9780470458365
Author:Erwin Kreyszig
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1.
Using first principles,
(a) Show that (f(x)-g(x))'=f'(x)-g'(x).
(b) Find the expression for f'(x) if f(x)= Hence, find the equation of the
Vx+1
3
normal to f(x) when x =-
Transcribed Image Text:1. Using first principles, (a) Show that (f(x)-g(x))'=f'(x)-g'(x). (b) Find the expression for f'(x) if f(x)= Hence, find the equation of the Vx+1 3 normal to f(x) when x =-
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