Doubtnut
581 old videos with fewer than 5,000 views from this channel.
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3:04
on dividing the polynomial `4x^4 -3x^3- 42x^2- 55x -17` by the polynomial g (x) the quotient is...
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2:24
prove that `(81/16)^(-3/4)*{((25/9)^(-3/2)) / (5/2)^(-3)} = 1`
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3:13
one say, "Give me a hundred, friend ! I shall than become twice as rich as you"
the...
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3:45
solve by factorisation:
`3x^2-2sqrt6x+2=0`and `1/(x-1)-1/(x+5)=6/7`
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1:21
From the graph read the zeros of the polynomial :
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2:34
The value of `x`, satisfying the inequality `log_(0.3)(x^2+8) gtlog_(0.3)9x`, lies in
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1:13
if `a=2,b=3` find (a) `(a^b+b^a)^(-1)`
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1:34
show that `(3*2^(n+1)+2^n)/(2^(n+2)-2^(n-1))=2`
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1:21
`dx/(secx cosec x)`
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3:03
The value of `int_0^(pi/2)(ln | tan x +cotx |) dx` is equal to
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9:07
evaluate `int(cos2x-3)/(cos^4sqrt(4-cot^2x)).dx`
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2:45
differentiate `tan^(-1)(1/sqrt(x^2-1))`
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3:40
Five distinct letters are to be transmitted through a communication channel. A tota number of 1...
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2:50
The integral `int_0^(pi)f(sinx)dx` is equivalent to
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2:47
Find the remainder when the square of any number is divided by 4
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3:53
The locus of point of intersection of perpendicular straight lines which are at constant distan...
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5:28
three number `a,b,c` are in `GP` such that : (i) `a+b+c=70` (ii) `4a,5b,4c` are in `AP` if ...
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6:10
`0. 7int((sqrt(x)+1)dx)/(sqrt(x)(x^(1/3)+1)`
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5:32
If `I=int(sinx+sin^3x)/(cos2x) dx`=`Pcosx+Q log|f(x)|+R`,then
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3:00
If `sintheta=1/2(x+1/x)`, show that `sin3theta+1/2(x^3+1/x^3)=0`
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1:49
lf `1+ 2 + 3 +....... +49 = x`, then `1^3+2^3 + 3^3 +..........+49^3` is equal to
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4:41
A dinner party is to be fixed for a party consisting of 100 pe party 50 do not prefer fish, 60 ...
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5:58
If` a+b+c=n,a gt0,b gt0,c gt0`, then `a^pb^qc^r` ` lt=`
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5:10
Let a,b, c and d be non-zero numbers. If the point of intersection of the lines `4ax + 2ay+c=0...