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Grade: 12th pass
        
What is the correct answer of given question? 
Of question no 17.. 
3 months ago

Answers : (2)

Aditya Gupta
1696 Points
							
hello pushpa. we can write it as:
y= V – ½ 
so dy/dx= dV/dx
but V= (1+x)^(1/2)
so V^2= 1+x
diff both sides applying chain rule on LHS
(dV^2/dV)*dV/dx= d(1+x)/dx= 1
or 2V*dV/dx= 1
or dV/dx= dy/dx= 1/(2V)= 1/(2(1+x)^(1/2))
kindly approve :)
3 months ago
Saurabh Koranglekar
askIITians Faculty
3163 Points
							Dear student

dy/dv = 1

dv/dx = 0.5*( x+1)^(-0.5)

taking product final EQUATION can be obtained

Regards
3 months ago
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