Doubtnut
18,806 old videos with fewer than 5,000 views from this channel.
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6:07
IIT JEE LIMITS AND DERIVATIVES Leg
`f(x)={x+1,x gt 0 2-x ,xlt=0`
`g(x)={x+3,x lt 1x^2-2x-2,1l...
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3:30
IIT JEE TRIGONOMETRIC FUNCTIONS Solve `sinx gt -1/2`
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3:23
IIT JEE TRIGONOMETRIC FUNCTIONS The solutions of the equation `1+(sinx-cosx)sinpi/4=2cos^2(5x)/2`...
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5:57
IIT JEE LIMITS AND DERIVATIVES Let `f:(1,2)vecR`
satisfies the inequality
`(cos(2x-4)-33)/2 lt f(...
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8:32
IIT JEE LIMITS AND DERIVATIVES Evaluate :
`("lim")_(xrarroo)`
`1/(1+n^2)+1/(2+n^2)+...+n/(n+n^2)`
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4:13
IIT JEE COMPLEX NUMBERS AND QUADRATIC EQUATIONS The sum of the non-real root of `(x^2+x-2)(x^2+x-...
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3:55
IIT JEE APPLICATION OF DERIVATIVES Prove that all the point on the curve `y=sqrt(x+sinx)`
at whi...
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5:04
IIT JEE APPLICATION OF DERIVATIVES Find the locus of point on the curve `y^2=4a(x+as in x/a)`
wh...
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3:00
IIT JEE TRIGONOMETRIC FUNCTIONS In a triangle `A B C ,`
the altitude from `A`
is not less than `B...
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7:22
IIT JEE APPLICATION OF DERIVATIVES The tangent at any point on the curve `x=acos^3theta,y=asin^3...
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2:56
IIT JEE TRIGONOMETRIC FUNCTIONS If in ` A B C`
, side `a , b , c`
are in A.P. then
`B gt 60^0`
(...
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9:01
IIT JEE APPLICATION OF DERIVATIVES Find the point on the curve `3x^2-4y^2=72`
which is nearest t...
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6:14
IIT JEE APPLICATION OF DERIVATIVES Find the distance of the point on `y=x^4+3x^2+2x`
which is ne...
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2:05
IIT JEE RELATIONS AND FUNCTIONS If `f(x+2a)=f(x-2a),t h e np rov et h a tf(x)i sp e r iod i cdot`
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3:43
IIT JEE TRIGONOMETRIC FUNCTIONS With usual notations, in triangle `A B C ,acos(B-C)+bcos(C-A)+c"c...
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2:22
IIT JEE RELATIONS AND FUNCTIONS If `f(x+f(y))=f(x)+yAAx ,y in Ra n df(0)=1,`
then find the value ...
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2:02
IIT JEE INVERSE TRIGONOMETRIC FUNCTIONS The equation `3^(-1)x-pix-pi/2=0`
has
one negative soluti...
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2:54
IIT JEE TRIGONOMETRIC FUNCTIONS Find the range of `y=sin^3x-6sin^2x+11sinx-6.`
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4:29
IIT JEE LIMITS AND DERIVATIVES If `(x^2+x-2)/(x+3)lt=(f(x))/(x^2)lt=(x^2+2x-1)/(x+3)`
hold for a ...
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2:57
IIT JEE RELATIONS AND FUNCTIONS If `f: R^+vecR ,f(x)+3xf(1/x)=2(x+1),t h e nfin df(x)dot`
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2:29
IIT JEE TRIGONOMETRIC FUNCTIONS If `P`
is a point on the altitude AD of the triangle ABC such the...
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5:17
IIT JEE TRIGONOMETRIC FUNCTIONS If `(1+sint)(1+cost)=5/4`
then find the value of `(1-sint)(1-cos...
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4:08
A villager Itwari has a plot of land of the shape
of a quadrilateral. The Gram Panchayat of ...
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3:56
IIT JEE COMPLEX NUMBERS AND QUADRATIC EQUATIONS If (`a x^2+c)y+(a x^2+c )=0a n dx`
is a rational ...