Question
If f(x) = |x|, then f’(x), where x ≠ 0 is equal to
Answer: Option D
:
D
∵f(x)={x,x≥0−x,x<0∵f′(x)=⎧⎨⎩1,x>0,i.e,|x|x,x>0−1,x>0,i.e,|x|x,x>0=|x|x,x≠0
Was this answer helpful ?
:
D
∵f(x)={x,x≥0−x,x<0∵f′(x)=⎧⎨⎩1,x>0,i.e,|x|x,x>0−1,x>0,i.e,|x|x,x>0=|x|x,x≠0
Was this answer helpful ?
More Questions on This Topic :
Question 2. If y=√x+√y+√x+√y+....∞,then dydx is equal to....
Question 3. If √(x+y)+√(y−x)=a,then d2ydx2 equals....
Question 5. If sin (x+y)=loge(x+y),thendydx is equal to....
Question 6. If xcos y+ycos x=5. Then....
Submit Solution