Doubtnut
19,218 old videos with fewer than 5,000 views from this channel.
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3:20
IIT JEE TRIGONOMETRIC FUNCTIONS In which of the following sets the inequality `sin^6x+cos^6x gt 5...
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1:23
IIT JEE BINOMIAL THEOREM The coefficient of `x^n`
in the expansion of `(1-x)(1-x)^n`
is
`n-1`
b....
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6:50
IIT JEE APPLICATION OF DERIVATIVES If `f(x)`
is continuous in `[a , b]`
and differentiable in (a...
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6:30
IIT JEE APPLICATION OF DERIVATIVES If `f(x)a n dg(x)`
are continuous functions in `[a , b]`
and ...
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5:09
IIT JEE BINOMIAL THEOREM If the coefficients `x^7`
in `(a x^2+1/(b x))^(11)`
and coefficient of...
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3:27
IIT JEE COMPLEX NUMBERS AND QUADRATIC EQUATIONS Find the complex number `omega`
satisfying the e...
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3:05
The length of minute hand of a clock is 14cm. Find the area swept by
the minute hand in one ...
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4:48
IIT JEE BINOMIAL THEOREM The coefficient of `x^5`
in the expansion of `(x^2-x-2)^5`
is
`-83`
b. `...
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3:17
An arc of a circle is a length 5`pic m`
and the sector it bounds has an area of `20pic m^2`
. F...
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3:00
IIT JEE LOGARITHM If the equation `2^x+4^y=2^y + 4^x`
is solved for `y`
in terms of `x`
where ...
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2:22
Solve the following system of homogeneous equations: `x+y-z=0` `x-2y+z=0` `3x+6y-5z=0`
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5:03
IIT JEE COMPLEX NUMBERS AND QUADRATIC EQUATIONS It is given that complex numbers `z_1a n dz_2s a ...
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6:44
IIT JEE COMPLEX NUMBERS AND QUADRATIC EQUATIONS `Z_1!=Z_2`
are two points in an Argand plane. If ...
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3:46
For what values of `aa n db ,` the system of equations `2x+a y+6z=8` `x+2y+b z=5` `x+y+3z=4` has...
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3:37
IIT JEE SEQUENCES AND SERIES In a G.P. the first, third, and fifth terms may be considered as the...
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2:58
IIT JEE SEQUENCES AND SERIES If the pth, qth, and rth terms of an A.P. are in G.P., then the comm...
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5:54
IIT JEE TRIGONOMETRIC FUNCTIONS Which of the following identities, wherever defined, hold(s) good...
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2:13
IIT JEE BINOMIAL THEOREM The coefficient of `x^(28)`
in the expansion of `(1+x^3-x^6)^(30)`
is
`1...
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2:45
IIT JEE BINOMIAL THEOREM The coefficient of `x^2y^3`
in the expansion of `(1-x+y)^(20)`
is
`(20 !...
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4:25
IIT JEE BINOMIAL THEOREM The coefficient of `x^(10)`
in the expansion of `(1+x^2-x^3)^8`
is
`476`...
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3:05
IIT JEE LOGARITHM If `x y^2=4a n d(log)_3((log)_2x)+(log)_(1/3)((log)_(1/2)y)=1`,then `x` equals
...
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5:33
IIT JEE APPLICATION OF DERIVATIVES Show the condition that the curves `a x^2+b y^2=1`
and `a^(pr...
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9:42
IIT JEE BINOMIAL THEOREM Prove that
`^n C_0+^n C_3+^n C_6+=1/3(2^n+2cos(npi)/3)`
.
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5:15
IIT JEE APPLICATION OF DERIVATIVES If the tangent at `(x_1,y_1)`
to the curve `x^3+y^3=a^3`
meet...