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Mainak Chakraborty Grade: Upto college level
        

1. If f'(x) = √2x2 - 1 and y = ƒ(x), then dy/dx at x = 1 is ??

6 years ago

Answers : (2)

Mir Noaman Ali IIT-Roorkee
57 Points
										

dy/dx is given just put x=1 in that we get f'(1) = root 2 -1

6 years ago
Sudheesh Singanamalla
114 Points
										

it is given that f'(x) = √2x2-1


dy/dx = f'(x)


so f'(1) = √2(1)2-1 = √2-1 = 1


 


Final answer is '1'


You can even check this result by applying first principle of differenciation


 


Please approve !

6 years ago
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