1.
If is a function of and log then the value of is equal to
2.
If is a polynomial of degree and , (where is fixed real number), then the degree of is
3.
Derivative of the function is
4.
If variables and are related by the equation
x=\int_{0}^{y} \frac{1}{\sqrt{1+9u^2}}du then 43, \frac{d^2y}{dx^2} is equal to 
5.
If and is equal to