Doubtnut
18,806 old videos with fewer than 5,000 views from this channel.
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3:59
IIT JEE TRIGONOMETRIC FUNCTIONS If `x , ya n dz`
are the distances of incenter from the vertices...
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1:26
If `(sqrt(8)+i)^(50)=3^(49)(a+i b)`
, then find the value of `a^2+b^2dot`
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3:16
IIT JEE RELATIONS AND FUNCTIONS Find the inverse of the function:
`f:(-oo,1] rarr [1/2,oo],w h e...
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1:08
IIT JEE SEQUENCES AND SERIES The geometric mean between -9 and -16 is
`12`
b. `-12`
c. `-13`
d. ...
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1:52
A drain cover is made from a square metal plate of side 40cm having 441
holes of diameter 1c...
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2:18
IIT JEE INVERSE TRIGONOMETRIC FUNCTIONS If `tan^(-1)(sqrt(1+x^2-1))/x=4^0`
then
`x=tan2^0`
(b) `...
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2:13
A horse is placed for grazing inside a rectangular field 70m by 52m and
is tethered to one c...
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3:23
The inner and outer diameters of ring 1 of a dartboard are 32cm and
34cm respectively and th...
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1:41
IIT JEE INVERSE TRIGONOMETRIC FUNCTIONS The solution of the inequality `(log)_(1/2sin^(-1)x gt (l...
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6:58
IIT JEE APPLICATION OF DERIVATIVES If the tangent at any point `(4m^2,8m^2)`
of `x^3-y^2=0`
is a...
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3:55
IIT JEE LIMITS AND DERIVATIVES If `("lim")_(xveca)[f(x)g(x)]`
exists, then both `("lim")_(xveca)f...
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1:46
IIT JEE INVERSE TRIGONOMETRIC FUNCTIONS If `|sin^(-1)x|+|cos^(-1)x|=pi/2,t hen `
(a)`x inR`
...
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4:05
JEE MAINS 2018 JEE MAINS 2018 While calculating eh mean and variance of 10 readings, a student
...
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6:20
JEE MAINS 2018 Calculate the mean and standard deviation for the following data:
Wages upto
(...
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9:27
JEE MAINS 2018 For any two events A and B associated to a random experiment, prove
that:
`P(A...
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2:02
IIT JEE RELATIONS AND FUNCTIONS Find the value of `x`
for which function are identical.
`f(x)=xa ...
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5:18
IIT JEE RELATIONS AND FUNCTIONS Find the value of `x`
for which function are identical.
`f(x)=cos...
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2:28
IIT JEE RELATIONS AND FUNCTIONS Find the value of `x`
for which function are identical.
`f(x)=tan...
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2:54
IIT JEE RELATIONS AND FUNCTIONS Find the value of `x`
for which function are identical.
`f(x)=(sq...
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1:16
IIT JEE SEQUENCES AND SERIES If `(1+x)(1+x^2)(1+x^4)(1+x^(128))=sum_(r=0)^n x^r`
then `n`
is equ...
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1:34
IIT JEE INVERSE TRIGONOMETRIC FUNCTIONS If `tan^(-1)x+2cot^(-1)x=(2pi)/3,`
then `x ,`
is equal ...
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2:15
Find the area of a shaded region in the figure, where a circular arc of
radius 7cm has been ...
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2:38
IIT JEE RELATIONS AND FUNCTIONS Plot `y=sinxa n dy=sin2xdot`
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1:58
IIT JEE SEQUENCES AND SERIES The third term of a geometric progression is 4. The production of t...