Definite Integration Questions (1340)

If \(f(x) = \sqrt{\frac{x + 2}{2x + 3}}\), then evaluate \(\int \frac{f(x)}{x^{1/2}} dx\)
\(\int \frac{\sin 2x \cos 2x}{(\sin^5 x + \cos^3 x \sin^2 x + \sin^3 x \cos^2 x + \cos^5 x)^2} dx\) is equal to (JEE Main 2018)
\(\int \frac{e^{2x} - e^{-2x}}{e^{2x} + e^{-2x}}\,dx\) is equal to
If \(\lim_{x \to 0} \left(\sum_{r=1}^n \cos\dfrac{r\pi}{2n}\right)\left(\sum_{r=1}^n \cos^2\dfrac{r\pi}{2n}\right)\left(\sum_{r=1}^n \cos^3\dfrac{r\pi}{2n}\right)\left(\sum_{r=1}^n \cos^4\dfrac{r\pi}{2n}\right)\left(\dfrac{1}{e^n - 1}\right)^4 = \dfrac{k}{\pi^2}\), then find the value of \(\dfrac{1}{k}\).
\(\int x^m x^n - 1 + \frac{1}{x^n} - \frac{mx}{n} + \frac{nx}{m} - \frac{1}{2} - \frac{n}{2m} + \frac{m}{n} dx\) is equal to
Evaluate: \(\int \frac{x^2 + 1}{x^2} (2\ln x + 1) dx\)
If \(\int f(x)\,dx = f(x) + C\), then \(\int [f(x)]^2\,dx\) is
The value of \(\int \frac{f(x)\phi'(x) - \phi(x)f'(x)}{[f(x)\phi(x)-1]^2 - f(x)\phi(x) - 1} dx\) is
Evaluate \(\int \frac{\ln x}{x(1 + \ln x)} dx\)
The value of $\displaystyle \int \frac{e^x + x^4 + 2}{(1+x^2)^{5/2}} dx$ is equal to
Let f(x) = ∫−1x (2 − t2)dt. The real roots of the equation x2 + f′(x) = 0 are
Evaluate \(I = \int \dfrac{1}{2e^{2x} + 3e^x + 1}\,dx\). The answer involves a logarithmic expression. Find the integer value associated with the result.
If \(x^2 d(\tan^{-1} x) = x f(x) + c\), then \(f(1)\) is equal to
Evaluate \(\int e^x dx\)
Evaluate: \(\int \frac{x^3 + 3x^2 + x + 9}{(x^2 + 1)(x^2 + 3)} dx\)
The integral \int \frac{2x dx}{(2x^4 + 3x^2 + 1)^4} is equal to (where C is a constant of integration)
Show that \(\int_0^{\pi/2} \sin x \cdot \log \sin x \, dx = \log_e 2 - 1\).
If an anti-derivative of \(f(x)\) is \(e^x\) and that of \(g(x)\) is \(\cos x\), then \(\int f(x)\cos x \, dx + \int g(x) e^x \, dx\) is equal to
Evaluate \(I = \int \frac{(\sin 2x)^{1/3}}{(\sin^{2/3} x + \cos^{2/3} x)^2} d(\tan^{1/3} x)\)
\(\int \frac{x(\log x)^m}{(\log x)^m}\,dx\) is equal to
If \(\int \sin^{-1}\left(\frac{x}{1+x}\right) dx = A(x) \tan^{-1}(\sqrt{x}) + B(x) + C\), where \(C\) is a constant of integration, then the ordered pair \((A(x), B(x))\) can be
\(\int \frac{dx}{(2x - 7)\sqrt{x^2 - 7x + 12}}\) is equal to
Prove the reduction formula: $$\int \sec^n x \, dx = \frac{1}{n-1} \sec^{n-2} x \tan x + \frac{n-2}{n-1} \int \sec^{n-2} x \, dx$$
Evaluate: \(\int x \sin x \sec^3 x dx\)
Let f(x) = \int x^2 \cos 2x (2x + 6\tan x - 2x\tan^2 x) dx and f(x) passes through the point (\pi, 0).If f: \mathbb{R} - \{(2n+1)\frac{\pi}{2}\} \to \mathbb{R} then f(x) be a:
Evaluate \(\int e^x \sec x(1 + \tan x) dx\)
Let \( I = \int \dfrac{\left(\sin^{3/2}\theta + \cos^{3/2}\theta\right) d\theta}{\sqrt{\sin^3\theta \cos^3\theta \sin(\theta+\alpha)}} \). Then \(I\) equals:
Find $\int \frac{2^x + 3^{2x+1} + 5^{3x-2}}{7^x} dx$
Evaluate: \ 10\int \cos\left(\frac{x+1}{\sqrt{x^2+2x+5}}\right) dx
[JEE Main 2022] \(\displaystyle\int\frac{\cos^2 x}{(\cos x+\sin x)^3}\,dx\) equals (where \(C\) is a constant)
\(\int e^{6\log x - e^5\log x}}{e^{4\log x - e^3\log x}} dx\) is equal to
Assertion (A): When \(f(x) = \frac{x^2 + 1}{2}\), \(\int \frac{dx}{x} = 2\ln|x| + c\)Reason (R): \(\int (h(x))^n h'(x) dx = \frac{(h(x))^{n+1}}{n+1} + C\)
If \(f(x) = f(x) + xf'(x)\) then \(\int g(x)\,dx\) is equal to:
Let \(n \geq 2\) be a natural number and \(0
Evaluate \(\int \frac{1 + x}{\sqrt{1+x^4}} dx\)
The value of $\displaystyle \int \frac{secx(2+secx)}{(1+2secx)^2} dx$ is equal to
The value of $\displaystyle \int \frac{dx}{(1+x) \sqrt{x} \sqrt{1-x}}$ is equal to
Given \[ I = \int \frac{\tan x}{1 + \tan x + \tan^2 x}\, dx = Kx + A\tan^{-1}\left(\frac{2\tan x + 1}{\sqrt{3}}\right) + C \]Find the values of \(K\) and \(A\).
Evaluate \(\int \frac{f(x)g'(x) - f'(x)g(x)}{f(x)g(x)} \left[\log(g(x)) - \log(f(x))\right]\, dx\)
[JEE Main 2020] \(\displaystyle\int\frac{\sin x+\cos x}{\sqrt{1-\sin 2x}}\,dx\) for \(0
Evaluate \(\int \frac{e^x dx}{\sin x + 1}\) (alternative form)
∫ (2+√x)dx/x²(√(x+1+√x)) is equal to:
\(\int \frac{\sin 2x}{\cos 7x \sqrt{1 + 2\cos 5x \cos 8x}} dx\) is equal to
If \(\int \frac{dx}{(\sin x + 4)(\sin x - 1)} = A \tan^{-1}\left(\frac{\tan x/2 - 1}{2}\right) + B \tan^{-1} f(x) + C\), then find the value of A.
67. \(\int \frac{1 + \sin x}{\cos x} \, dx\) equals
If the area bounded between x-axis and the graph of y = 6x – 3x² between the ordinates x = 1 and x = a is 19 square units then 'a' can take the value
Evaluate: $\int \frac{dx}{2 + \sin^2 x}$
If $I(x)=\displaystyle\int e^{\sin^2x}(\cos x\sin 2x-\sin x)\,dx$ and $I(0)=1$, then $I\!\left(\dfrac{\pi}{3}\right)$ is equal to
Find $\int \frac{2x^2 + 3x^5}{1+x^6} dx$
[JEE Main 2023] If \(\displaystyle\int x^5 e^{-x^2}\,dx = e^{-x^2}\cdot f(x)+C\) and \(f(0)=-120\), what is the integer value of \(f(1)\)?