Question
Evaluate $\int\frac{1}{\text{x}^2+16}\text{ dx}$

Answer

Since, $\int\frac{1}{\text{x}^2+\text{a}^2}\text{ dx}=\frac{1}{\text{a}}\tan^{-1}\Big(\frac{\text{x}}{\text{a}}\Big)+\text{C}$
Thus, $\int\frac{1}{\text{x}^2+16}\text{ dx}=\frac{1}{4}\tan^{-1}\Big(\frac{\text{x}}{4}\Big)+\text{C}$

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

Prove The Theorem : (Section formula for internal division) Let $\mathrm{A}(\bar{a})$ and $\mathrm{B}(\bar{b})$ be any two points in the space and $\mathrm{R}(\bar{r})$ be a point on the line segment $\mathrm{AB}$ dividing it internally in the ratio $m: n$.
Then $\bar{r}=\frac{m \bar{b}+n \bar{a}}{m+n}$
Find $A B$, if $A=\left[\begin{array}{ccc}1 & 2 & 3 \\ 1 & -2 & -3\end{array}\right]$ and $B=\left[\begin{array}{cc}1 & -1 \\ 1 & 2 \\ 1 & -2\end{array}\right]$ Examine whether $A B$ has inverse or not.
$\bar{a}$ and $\bar{b}$ are non - collinear vectors. If $\bar{c}=(x-2) \bar{a}+\bar{b}$ and $\bar{d}=(2 x+1) \bar{a}-\bar{b}$ are collinear, then find the value of $x$.
Evaluate the following integrals:$\int^\limits{2\pi}_{0}|\sin\text{x}|\text{dx}$
Find the general solution of : $\sin \theta=\frac{\sqrt{3}}{2}$
Evaluate the following integrals:$\int\limits^2_0\big[\text{x}\big]\text{dx}$
Determine whether or not the definition of * given below gives a binary operation.
In the event that * is not a binary operation give justification of this.
On $Z ^{+}$define * by $a * b = |a - b|$
Here, $Z^{+}$denotes the set of all non-negative integers.
Form the differential equation from the following primitives where constants are arbitrart:$\text{y}^2=4\text{ax}$
Find the equations of tangent and normal to the curve at the given point on it : $y=2 x^3-x^2+2$ at $\left(\frac{1}{2}, 2\right)$
If x > 1, then write the value of $\sin^{-1}\Big(\frac{2\text{x}}{1+\text{x}^2}\Big)$ in terms of $\tan^{-1}\text{x.}$