samigupta8
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 samiksha gupta
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 i m a girl of positive attitude n love talking vid frnsssssssss......
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Questions Asked

samigupta8:
Compound E has the molecular formula C5H8 and is optically active. On catalytic hydrogenation E yields F. Compound F has the molecular formu…
 updated 10 days ago
 1 reply
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Mathematics

samigupta8:
An alkane with the formula C6H14 can be prepared by reduction (with Zn and HCl) of only two
alkyl chlorides (C6H13Cl) and by the hydrogenat…
 updated 22 days ago
 2 replies
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Mathematics

samigupta8:
a spring mass system performs S.H.M.If the mass is doubled keeping amplitude same then the total energy of S.H.M. will become
 updated 26 days ago
 1 reply
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Mathematics

samigupta8:
three particles of same mass m are fixed to a uniform cirular loop of mass M and radius r at the corners of an equilateral triangle.The loop…
 updated 28 days ago
 8 replies
 1 Medal
Mathematics

samigupta8:
a cylinder with movable piston ontains air under pressure P and a soap bubble of radius r.The surface tension of soap solution is T and the …
 updated one month ago
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Mathematics

samigupta8:
By inserting a capillary tube up to a depth l in water, the rises to a height h. If
the lower end of the capillary tube is closed inside wa…
 updated one month ago
 15 replies
 1 Medal
Mathematics

samigupta8:
a drop of liquid of densty p is floating half immersed in a liquid of density d.If t is the surface tension the diamter of the drop of the l…
 updated one month ago
 4 replies
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Mathematics

samigupta8:
an open tank 10 m long and 2m deep is filled upto a height 1.5 m of oil of specific gravity 0.80.The tank is accelerated uniformly fromm res…
 updated 3 months ago
 2 replies
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Mathematics

samigupta8:
hiii everybody...........
 updated 4 months ago
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Mathematics

samigupta8:
hiii everybody...........
…
 updated 4 months ago
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Mathematics

samigupta8:
if sinx+siny=2(cosycosx) then prove that sin3x+sin3y=0
…
 updated 4 months ago
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Mathematics

samigupta8:
f(x)=cosx+5cos3x+cos5x/cos6x+6cos4x+15cos2x+10 then f(0)+f'(0)+f''(0)=
 updated 4 months ago
 21 replies
 3 Medals
Mathematics

samigupta8:
if if θ1,θ2,θ3,θ4 be 4 values of θ which satisfy equation 3tan3θ=tan(45+θ) then prove that
summation of tanθ1=0
 updated 4 months ago
 8 replies
 3 Medals
Mathematics

samigupta8:
if tanθ1,tanθ2,tanθ3,tanθ4 are roots of equation
x^4x^3sin2β +x^2cos2βxcosβsinβ=0 prove that tan(θ1+θ2+θ3+θ4)=cotβ
 updated 4 months ago
 13 replies
 2 Medals
Mathematics

samigupta8:
all the particles of a body are situated at a distance R from the origin.The distance of the centre of mass of the body from the origin is a…
 updated 5 months ago
 17 replies
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Mathematics

samigupta8:
a bullet of mass m strikes a block of mass M connected to a light spring of stiffness k,with a speed V if the bullet gets embedded in block,…
 updated 5 months ago
 2 replies
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Mathematics

samigupta8:
a body moving towards a finite body at rest collides with it.It is possible that
a.both the bodies come to rest
b.both the bodies move aft…
 updated 5 months ago
 3 replies
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Mathematics

samigupta8:
all the particles of a body are situated at a distance R from the origin.The distance of the centre of mass of the body from the origin is
a…
 updated 5 months ago
 13 replies
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Mathematics

samigupta8:
a hemisphere S and a partilce P are of same mass m.P is dropped from a height h .S is kept on a smooth horizontal surface.The friction betwe…
 updated 4 months ago
 5 replies
 3 Medals
Mathematics

samigupta8:
if S denotes the set of all real value pf a for which roots of the equation x^22ax+a^21=0 lie between 5 and 10 then S euals
 updated 5 months ago
 17 replies
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Mathematics

samigupta8:
if 6 lies between the roots of the equation x^2+2(p3)x+9=0 then find the range of p
 updated 5 months ago
 3 replies
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Mathematics

samigupta8:
the equation (xa)^3+(xb)^3+(xc)^3=0 (a≠b≠c) has
a.all roots equal
b.one real and 2 imaginary
…
 updated 5 months ago
 14 replies
 3 Medals
Mathematics

samigupta8:
Let F(X)=2x^33/2x^21/8x+3/16 and x=y/a then the least positive integral value of a for which coefficients of f(y)=0 become integral is
 updated 5 months ago
 17 replies
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Mathematics

samigupta8:
if α,β are the roots of equation x^22x+3=0 then the equation whose roots are P=α^33α^2+5α2 and Q=β^3β^2+β+5 is
 updated 5 months ago
 49 replies
 2 Medals
Mathematics

samigupta8:
the roots of x^3+6x^212x+32=0 were reduced by h to obtain a new cubic equation with no second degree term then h=?
 updated 5 months ago
 9 replies
 2 Medals
Mathematics

samigupta8:
the equation whose roots are the roots of x^7+3x^5+x^3x^2+7x+2=0 with their signs changed is
a.x^7+3x^5+x^3+x^2+7x+2=0
b.x^7+3x^5+x^3+7x…
 updated 5 months ago
 20 replies
 3 Medals
Mathematics

samigupta8:
if λ^2+λ2)x^2+(λ+2)x<1 for all x∈R then λ belongs to the interval
 updated 5 months ago
 6 replies
 2 Medals
Mathematics

samigupta8:
if x^2+px+1 is a factor of the expression ax^3+bx+c
a.a^2+c^2=ab
b.a^2c^2=ab
…
 updated 5 months ago
 38 replies
 3 Medals
Mathematics

samigupta8:
if the equation x^2+2(a+1)x+9a5=0 has only negative roots then a satisfies the relation a>=6 ..
how?
 updated 5 months ago
 22 replies
 2 Medals
Mathematics

samigupta8:
the graph of curve x^2=3xy2 is
a.between the lines x=1 and x=3/2
b.between the lines x=1 and c=2
…
 updated 5 months ago
 13 replies
 2 Medals
Mathematics
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