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what is the value of

eraised to infinity ?if x

^{m}y^{n}= (x+y)^{m+n}show that dy/dx= y/x and find d^{2}y/dx^{2}plzzz help !!

integration of root tanx ?

Find the sum: 7+77+777+.....upto n terms.

if y= sin inverse [ 5x +12 root 1-x2 by 13 find dy by dx

If x

^{y }=e^{x-y }show thatdy/dx=(logx)/{log(xe)}

^{2 }FIND VALUES OF a , b

show that the function f(x)=|x-1|+|x+1|, for all x belongs to R is not differentiable at the point x= -1 and x=1.If x = sint and y = sinpt prove that :

(1 - xsquare)d2y/dx2 - xdy/dx + psquarey = 0

find the value of 'a' for which the function f defined by

f(x)={a sin( pie/2) x+1 ,x

<0{(tan x -sinx) / x

^{3},x>0is continuous at x=0

if sqrt(1-x

^{2)}+ sqrt(1-y^{2}) = a (x-y) prove dy/dx=sqrt((1-y^{2})/(1-x^{2}))Differentiate tan

^{-1}[ (root 1 - x^{2}) / x ]^{}w.r.t. cos^{-1}[2x (root 1 - x^{2})].if y= [log(x+root x

^{2}+1)]^{2 }show that (1+x^{2}) d^{2}y/dx^{2}+xdy/dx =2^{2) }where the tangent to the curve has the greatest slopetan

^{-1}( 5x / 1 - 6x^{2})The answer:( 3 / 1 + 9x

^{2}+ 2 / 1 + 4x^{2})k.c.sinha exercise-13.1 question-

Please determine the value of a,b,c for which the function f is continous at x=0,

{(sin(a+1)x +sin x)/x , x<0 }

f(x)= {c , x=0 }

{( (x+bx^2)^(1/2) - x^(1/2))/b(x^(3/2)) , x>0 }.

y=xlog(x/(a+bx)), prove that x^3Xd^2y/dx^2 = (x(dy/dx)-y)^2

if e

^{x}+e^{y}=e^{x+y},prove that dy/dx+e^{y-x}=0^{y/x}=x, prove that x^{3}d^{2}y/dx^{2 }= (x.dy/dx - y)^{2}√x +bx^2 - √x / b x^3/2 , x >0

function is continuous at x=0

if sqrt(y+x)+ sqrt(y-x)=c, show that dy/dx=y/x-sqrt(y

^{2}/x^{2}-1).c ,x=0

(under root x+bx)-(under root x)/b under root x

^{3}, x>0 is constant at x=0^{}if Cosy= xCos(a+y), show that dy/dx= cos

^{2}(a+y)/sin(a)differentiate wrt x:

x^y=e^(x-y)

show that f(x) =|x-2| is continuous but not differentiable at x=2. Please reply!!URGENT!!!

If x

^{p}y^{q}=(x+y)^{p+q}, then prove that dy/dx=y/x.if e

^{x}+e^{y}=e^{x+y},prove that dy/dx= -e^{y-x}_{x6 + root 1-y}^{6 = }^{a3(x3-y3). }prove dy/dx = x^{2}/y^{2}*wholeroot 1-y^{6}/1-x^{6}f(x)={(1-cos4x)/x^2 if x k if x=0

(√x)/√16+root of x-4 }

if siny= xsin(a+y),then prove that dy/dx=sin^2(a+y)/sin a

differentiate wrtx

under root (1+sinx/1-sinx)

types of partial fraction

If y=tan

^{-1}[5ax/a^{2}-6x^{2}], prove that :dy/dx = (3a/a

^{2}+px^{2}) + (2a/a^{2}+4x^{2})If x = a (θ - sin θ) and y = a (1 - cos θ), find y

_{2}at θ = .Find d2y/dx2

Find the intervals in which the function f(x) = sin^4x + cos^4x is increasing or decreasing where the range of x is ( 0, pie/2) .

^{3}t / root under cos 2t , y = cos^{3}t/ root under cos 2t, find dy/dx.The answer: - cot 3t

If y = sin (sin x), prove that

d

^{2}y/dx^{2}+ (tan x) dy/dx + y cos^{2}x = 0.if

xy_{+}_{y}x =_{a}b find dy/dx^{-kt} cos(pt+c) show that d^{2}y/dt^{2} + 2k dy/dt + n^{2}y=0 where n^{2}=p^{2}+ k^{2}find the derivative of cos root x wrt x from first principle??

If x=tan(1/a logy) Show that (1+x

^{2})d^{2}y/dx^{2}+ (2x-a)dy/dx = 0differentiate w.r.t. x-

log base 7(log x)

if x=a sin2t(1+cos2t) and y=b cos2t(1-cos2t) find dy/dx.

if x=2cost -cos2t and y=2sint -sin2t . find d

^{2}y/dx^{2.plzzz help}^{2}+ 3x + a , x<1 and bx + 2 , x > 1Examine continuity of function f(x) = e

^{1/x}-1 / e^{1/x}+1 at x=0If log(x

^{2}+y^{2})=2tan^{-1(}y/x), then show that dy/dx=x+y/x-y.^{3}+ x^{2}- 16x +20/ (x-2)^{2}, x is not equal 2k , x=2

find k if f(x) is continuous for all x

find derivative of y = log {tan(pie/4 + x/2)}

what is dy/dx when y=tan-1[5ax/a2-6x2]

here 2 represents the square

Please solve the following problems.

1. Y = Sin(mSin

^{-1}x) prove that1-x^{2}^{ }- xy^{-1}+m^{2}y = 02

2. Y = Cosec x + Cot x prove that sin x (

d) = y^{2}y^{2}dx

^{2}3. If Y = 3cos(log x) + 4sin(log x) show that x

^{2 }(d) + (^{2}ydy) + y = 0dx

^{2}dxFind the intervals in which the function f(x) = log (1 + x)-x/(1+x), x-1 is increasing or decreasing

If x= 3sint-sin3t, y= 3cost-cos3t, find d^2y/dx^2 at t=pi/3

If x = a (cos t + log tan t / 2 ) ; y = a sin t. Find dy/dx.

^{-1}x) then prove that d^{3}y/dx^{3}=24.if x= 2 cos theta - cos 2 theta and y=2sin theta - sin 2theta then prove that dy/dx = tan (3 theta/2)

To find : dy/dx