Question

find f'(x) , if y = 2rootx​

Answer 1

Answer:

Step-by-step explanation:

x² - 4 = 0

x² = 4

x = √4

x = +- 2

x = -2 , +2

Answer 2

Answer: 1 / sqrt(x)

Step-by-step explanation:

y = 2 sqrt (x)   ====> y = 2x^1/2

dy/dx = x^(-1/2)

f'(x) = 1 / sqrt(x)

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