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if f of x is equal to x minus 4 / 2 root x then find the value of f'(1)

Posted by Meenakshi Jora 5 years, 10 months ago

CBSE > Class 11 > Mathematics

5 answers

Harshika Saxena 5 years, 10 months ago

Amswer is -1 , when we put the value of x it will come out as f(1)=1-4/2 =1-2= -1

Lakshita Goyal 5 years, 10 months ago

f(x)=(x-2/2√(x)) f'(x)=((1)(2\sqrt{x})-(x-2)(1/\sqrt{x}))/4x f'(x)=(x+4)/4x\sqrt{x} f'(1)= 5/4

Nisha Kumari 5 years, 10 months ago

f (x)=x-4/2x^1/2 f'(x)=1-4/2×1/2×x^-1/2 =1-1/x^1/2 f'(1)=1-1/1^1/2 =1-1 =0

Robinpreet Kaur 5 years, 10 months ago

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