Maths-
If f : R → R is continuous and differentiable function such that
f(t) dt + f¢¢¢ (3)
t3
dt – f ¢ (1)
t2 dt + f ¢¢ (2)
t. dt, then the value of f ¢ (4) is :
Maths-General
- None of these.
- 48 + 8 f ¢ (1) + f ¢¢ (2)
- 48 – 8 f ¢ (1) + f ¢¢ (2)
- 48 – 8 f ¢ (1) – f ¢¢ (2)
Answer:The correct answer is: 48 – 8 f ¢ (1) – f ¢¢ (2)
Book A Free Demo

Grade*
Select Grade
Related Questions to study
physics-
Assertion : The refractive index of diamond is
and that of liquid is 
If the light travels from diamond to the liquid, it will totally reflected when the angle of incidence is 30o
Reason :
where
is the refractive index of diamond with respect to liquid
Assertion : The refractive index of diamond is
and that of liquid is 
If the light travels from diamond to the liquid, it will totally reflected when the angle of incidence is 30o
Reason :
where
is the refractive index of diamond with respect to liquid
physics-General
chemistry-
An organic compound reacts with
to give. The compound with sodium metal gives 
An organic compound reacts with
to give. The compound with sodium metal gives 
chemistry-General
physics-
Assertion :We cannot produce a real image by plane or convex mirrors under any circumstances
Reason : The focal length of a convex mirror is always taken as positive
Assertion :We cannot produce a real image by plane or convex mirrors under any circumstances
Reason : The focal length of a convex mirror is always taken as positive
physics-General
chemistry-
Which of the following compounds is weakest acid?
Electron withdrawing groups (like
increase the acidity of phenols by stabilising corresponding phenoxide ion. The effect of
group will beminimum at m-position due to lack of increased delocalisation of electrons in it. Hence, m-nitrophenol is the weakest acid among these.
Which of the following compounds is weakest acid?
chemistry-General
Electron withdrawing groups (like
increase the acidity of phenols by stabilising corresponding phenoxide ion. The effect of
group will beminimum at m-position due to lack of increased delocalisation of electrons in it. Hence, m-nitrophenol is the weakest acid among these.
maths-
If f : [0, p] → R is continuous and
f(x) sin x dx =
f(x) cos x dx = 0, then the number of roots of f(x) in (0, p) is
If f : [0, p] → R is continuous and
f(x) sin x dx =
f(x) cos x dx = 0, then the number of roots of f(x) in (0, p) is
maths-General
physics-
Assertion : Different colours travel with different speed in vacuum
Reason : Wavelength of light depends on refractive index of medium
Assertion : Different colours travel with different speed in vacuum
Reason : Wavelength of light depends on refractive index of medium
physics-General
chemistry-
General formula for alcohols is:
General formula for alcohols is
Primary alcohols have
Secondary Alcohols have
and tertiary alcohols have 
General formula for alcohols is:
chemistry-General
General formula for alcohols is
Primary alcohols have
Secondary Alcohols have
and tertiary alcohols have 
chemistry-
The following substance can be used as a raw material for obtaining alcohol:
The following substance can be used as a raw material for obtaining alcohol:
chemistry-General
chemistry-
What is formed when glycerol reacts with excess of HI?
When glycerol reacts with HI
iodide is obtained

What is formed when glycerol reacts with excess of HI?
chemistry-General
When glycerol reacts with HI
iodide is obtained

chemistry-
Etherates are
Etherates are complexes of ethers with Lewis acid 
Etherates are
chemistry-General
Etherates are complexes of ethers with Lewis acid 
chemistry-
On conversion into the Grignard reagent followed by treatment with absolute ethanol, how many isomeric alkyl chlorides would yield 2-methylbutane?
Thus,
On conversion into the Grignard reagent followed by treatment with absolute ethanol, how many isomeric alkyl chlorides would yield 2-methylbutane?
chemistry-General
Thus,
chemistry-
Weak base reacts with strong acid.
chemistry-General
Weak base reacts with strong acid.
chemistry-
On heating glycerol with conc.
a compound is obtained which has bad odour. The compound is:
On heating glycerol with conc.
a compound is obtained which has bad odour. The compound is:
chemistry-General
chemistry-
The following reaction is known as 
In the presence of anhydrous
phenol form salicyladehyde. It is Gattermann-aldehyde reaction.
The following reaction is known as 
chemistry-General
In the presence of anhydrous
phenol form salicyladehyde. It is Gattermann-aldehyde reaction.
chemistry-
At 530 K, glycerol reacts with oxalic acid to produce
Oxalic acid on reaction with glycerol at 530K temperature furnishallyl alcohol.

At 530 K, glycerol reacts with oxalic acid to produce
chemistry-General
Oxalic acid on reaction with glycerol at 530K temperature furnishallyl alcohol.
