Doubtnut
18,806 old videos with fewer than 5,000 views from this channel.
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3:22
IIT JEE LIMITS AND DERIVATIVES Evaluate:
`("lim")_(xvec0)(a^(tanx)-a^(sinx))/(tanx-sinx),a gt 0`
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4:01
IIT JEE LIMITS AND DERIVATIVES Evaluate
`("lim")_(xvec0)((sinx)/x)^(((sinx)/(x-sinx)))`
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4:29
IIT JEE LIMITS AND DERIVATIVES Evaluate the limit:
`("lim")_(xvecoo)((x+2)/(x+1))^(x+3)`
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6:07
IIT JEE LIMITS AND DERIVATIVES Evaluate:
`("lim")_(xrarr0)((a^x+b^x+c^x)/3)^(2/x);(a , b , c &g...
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16:12
JEE MAINS 2018 Three persons A, B, CL throw a die in succession till one gets a six
and wins ...
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4:45
Prove that In a parallelogram, opposite side are equal
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2:30
IIT JEE PERMUTATIONS AND COMBINATIONS Find the total number of way in which `n`
distinct objects...
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2:53
If the bisector of the exterior vertical angle of a triangle be parallel to the base. Show that ...
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3:50
`A D` and `B E` are respectively altitudes of an isosceles triangle `A B C` with `A C=B C` . Pro...
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3:34
IIT JEE PERMUTATIONS AND COMBINATIONS There are `n`
locks and `n`
matching keys. If all the locks...
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3:41
JEE MAINS 2018 Poor Dollys T.V. has only 4 channels, all of them quite boring. Hence
it is no...
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4:19
IIT JEE PERMUTATIONS AND COMBINATIONS Find the number of distinct rational numbers `x`
such that ...
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1:57
IIT JEE CONTINUITY AND DIFFERENTIABILITY find the values of `a ` and `b` , such that `f(x) ={x^2+...
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2:15
IIT JEE PERMUTATIONS AND COMBINATIONS Find the sum of the series `sum_(r=1)^n rxxr !dot`
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2:47
JEE MAINS 2018 Find the points of local maxima and local minima,
if any, of each of the follo...
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3:03
Find the number of polynomials of the form `x^3+a x^2+b x+c`
that are divisible by `x^2+1,w h e...
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1:55
IIT JEE PERMUTATIONS AND COMBINATIONS Find `n ,if(n+1)! =12xx(n-1)!dot`
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4:22
IIT JEE PERMUTATIONS AND COMBINATIONS Find the total number of integer `n`
such that `2lt=nlt=200...
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4:48
IIT JEE PERMUTATIONS AND COMBINATIONS Find the sum of all the numbers that can be formed with the...
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3:51
IIT JEE PERMUTATIONS AND COMBINATIONS Prove that if `rlt=slt=n ,t h e n^n P_s`
is divisible by `^...
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3:27
IIT JEE PERMUTATIONS AND COMBINATIONS How many different numbers of 4 digits can be formed from t...
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2:24
IIT JEE PERMUTATIONS AND COMBINATIONS How any 4-letters words, with or without meaning, can be fo...
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5:18
IIT JEE PERMUTATIONS AND COMBINATIONS How many six-digit odd numbers, greater than 6,00,000, can ...
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2:53
IIT JEE PERMUTATIONS AND COMBINATIONS If `A={x|x`
is prime number and `x lt 30},`
find the number...