Question: Q 1 2 . ( i ) If f ( x ) = x , find f ' ( 1 ) ( ii ) Slove

Q12.
(i) If f(x)=x, find f'(1)
(ii) Slove 3sin=cos,
where 0360
(iii) Determine the gradent
of the curve y=4x2-5x+1
at the point (2,7)
Q 1 2 . ( i ) If f ( x ) = x , find f ' ( 1 ) (

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