F(x)=x*Sqrt(x^2+1)
let f(x)=x
let g(x)=Sqrt(x^2+1)
F'(x)=f'(x)*g(x)+f(x)*g'(x)
f'(x)=1
Use chain rule:
g'(x)=(x)*(x^2+1)^(-1/2)
F'(x)=Sqrt(x^2+1)+(x^2)/Sqrt(x^2+1)
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the derivative is 0. the derivative of a constant is always 0.
y=(8x).5 + (4x).5 = (2+2sqrt(2))x.5 y'=(1 + sqrt(2))/sqrt(x)
simplify the square foor of 49 times x to the third time y to the sixth times the absolute value of z squared
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You are supposed to use the chain rule for this. First step: derivative of root of sin2x is (1 / (2 root of sin 2x)) times the derivative of sin 2x. Second step: derivative of sin 2x is cos 2x times the derivative of 2x. Third step: derivative of 2x is 2. Finally, you need to multiply all the parts together.