Recent questions

0 votes

3 answers

If \(\int e^{\sin x}\left[\frac{x \cos ^{3} x-\sin x}{\cos ^{2} x}\right] d x=e^{\sin x} \cdot f(x)+c\), where \(c\) is constant of integration, then \(f(x)=\)

asked Dec 13, 2021 in Sets, relations and functions by kritika (90.1k points)

0 votes

2 answers

Let \(f: \mathbb{R} \rightarrow \mathbb{R}\) be a twice continuously differentiable function such that \(f(0)=f(1)=f^{\prime}(0)=0 .\) Then

asked Dec 13, 2021 in Sets, relations and functions by kritika (90.1k points)

0 votes

2 answers

Let \(f: \mathbb{R} \rightarrow \mathbb{R}\) be a twice continuously differentiable function such that \(f(0)=f(1)=f^{\prime}(0)=0\). Then

asked Dec 13, 2021 in Sets, relations and functions by kritika (90.1k points)

0 votes

2 answers

Let \(\mathrm{f}:[\mathrm{a}, \mathrm{b}] \rightarrow \mathbb{R}\) be such \(\mathrm{f}\) is differentiable in \((\mathrm{a}, \mathrm{b}), \mathrm{f}\) is continuous at \(\mathrm{x}=\mathrm{a} \& \mathrm{x}=\mathrm{b}\) and moreover \(\mathrm{f}(\mathrm{a})=0=\mathrm{f}(\mathrm{b}) .\) Then

asked Dec 13, 2021 in Sets, relations and functions by kritika (90.1k points)

0 votes

4 answers

Let \(f(x)=3 x^{10}-7 x^{8}+5 x^{6}-21 x^{3}+3 x^{2}-7\). Then \(\lim _{h \rightarrow 0} \frac{f(1-h)-f(1)}{h^{3}+3 h}\)

asked Dec 13, 2021 in Sets, relations and functions by kritika (90.1k points)

0 votes

3 answers

Let \(f:[a, b] \rightarrow \mathbb{R}\) be differentiable on \([a, b] \& k \in \mathbb{R} .\) Let \(f(a)=0=f(b)\) Also let \(J(x)=f^{\prime}(x)+k f(x)\). Then

asked Dec 13, 2021 in Sets, relations and functions by kritika (90.1k points)

0 votes

1 answer

The domain of definition of \(f(x)=\sqrt{\frac{1-|x|}{2-|x|}}\) is

asked Dec 13, 2021 in Sets, relations and functions by kritika (90.1k points)

0 votes

3 answers

Let \(f_{1}(s)=e^{x}, f_{2}(x)=e^{f(x)}, \ldots \ldots . f_{n+1}(x)=e^{f(x)}\) for all \(n \geq 1\). The for any fixed \(n, \frac{d}{d x} f_{n}(x)\) is

asked Dec 13, 2021 in Sets, relations and functions by kritika (90.1k points)

0 votes

1 answer

The approximate value of \(\sin 31^{\circ}\) is

asked Dec 13, 2021 in Sets, relations and functions by kritika (90.1k points)

0 votes

42 answers

White phosphorus \(\mathrm{P}_{4}\) has the following characteristics:

asked Dec 12, 2021 in Some basic concepts in chemistry by kritika (90.1k points)

0 votes

1 answer

Among the following the extensive variables are

asked Dec 12, 2021 in Some basic concepts in chemistry by kritika (90.1k points)

0 votes

1 answer

Which statements are correct for the peroxide ion?

asked Dec 12, 2021 in Some basic concepts in chemistry by kritika (90.1k points)

0 votes

3 answers

\([\mathrm{X}]+\) dil. \(\mathrm{H}_{2} \mathrm{SO}_{4} \rightarrow[\mathrm{Y}]:\) Colourless, suffocating gas \([\mathrm{Y}]+\mathrm{K}_{2} \mathrm{Cr}_{2} \mathrm{O}_{7}+\mathrm{H}_{2} \mathrm{SO}_{4} \rightarrow\) Green colouration of solution

asked Dec 12, 2021 in Some basic concepts in chemistry by kritika (90.1k points)

0 votes

3 answers

During a reversible adiabatic process, the pressure of a gas is found to be proportional to the cube of its absolute temperature. The ratio \(\frac{C_{p}}{C_{v}}\) for the gas is

asked Dec 12, 2021 in Some basic concepts in chemistry by kritika (90.1k points)

0 votes

1 answer

A metal \(M\) (specific heat \(0.16\) ) forms a metal chloride with \(=65 \%\) chlorine present in it. The formula of the metal chloride will be

asked Dec 12, 2021 in Some basic concepts in chemistry by kritika (90.1k points)

0 votes

781 answers

The number of possible organobromine compounds, which can be obtained in the allylic bromination of 1 - butene with \(\mathrm{N}\) - bromosuccinimide is

asked Dec 12, 2021 in Some basic concepts in chemistry by kritika (90.1k points)

0 votes

11 answers

$$ \begin{aligned} &{[\mathrm{P}] \stackrel{\mathrm{Br}_{2}}{\longrightarrow} \mathrm{C}_{2} \mathrm{H}_{4} \mathrm{Br}_{2} \underset{\mathrm{NH}_{3}}{\stackrel{\mathrm{NaNH}_{2}}{\longrightarrow}}[\mathrm{Q}]} \\ &{[\mathrm{Q}] \stackrel{20 \% \mathrm{H}_{2} \mathrm{SO}_{4}}{\mathrm{Hg}^{2}+\Delta}[\mathrm{R}] \stackrel{\mathrm{Zn}-\mathrm{Hg} / \mathrm{HCl}}{\longrightarrow}[\mathrm{S}]} \end{aligned} $$ The species \(\mathrm{P}, \mathrm{Q}, \mathrm{R}\) and \(\mathrm{S}\) respectively are

asked Dec 12, 2021 in Some basic concepts in chemistry by kritika (90.1k points)

0 votes

3 answers

Which of the following is least thermally stable?

asked Dec 12, 2021 in Some basic concepts in chemistry by kritika (90.1k points)

0 votes

1 answer

At room temperature, the reaction between water and fluorine produces

asked Dec 12, 2021 in Some basic concepts in chemistry by kritika (90.1k points)

0 votes

3 answers

Out of the following outer electronic configurations of atoms, the highest oxidation state is achieved by which one ?

asked Dec 12, 2021 in Some basic concepts in chemistry by kritika (90.1k points)

Page:

« prev
1
...
295
296
297
298
299
300
301
...
319
next »

Recent questions

...