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If y= sin-1x/(1-x2)1/2 show that (1-x2)d2y/dx2 - 3x dy /dx -y =0
If x sin ( A + y) + sinA cos (A + y) = 0, prove that dy/dx = [ sin2 (a + y) ] / sin a.
Differentiate
if y= xsin-1x /(1-x2 )1/2
If X=2cost-cos2t and Y=2sint-sin2t, then prove that
dy/dx=tan(3t/2)
If y3 + x3 -3axy = 0, PT d2y/dx2 = -2a3xy/(y2-ax)3
If y=eacos-1x ; -12)d2y/dx2 - x dy/dx - a2y =0
find dy/dx
tan(x+y)+tan(x-y)=1
If tan-1 [ (x2 - y2)/ (x2 + y2) ] = a ; prove that dy/dx = x( 1 - tanA) / y ( 1 + tanA)
Show that the function f defined as follows, is continuous at x=2. but not differentiable there at: f(x)={3x-2, 0<x<=1
2x2-x, 1<x<=2
5x-4, x>2}
if x=a{(1+t2)/(1-t2)} and y=2t/(1-t2) find dy/dx.
differentiate y= (x)cosx + (cosx)sinx
Differentiate w.r.t x:
log(cosecx-cotx)
f(x) = max. (sin x , cos x ) for all x belongs to R . Then number of critical points belongs to ( -2pi , 2pi ) is/ are
(a) 5 (b) 4
(c) 7 (d) none of these
if y(x2+1)1/2= log ((x2+1) - x)
show that
(x2+1) dy/dx + xy + 1 =0
If f(x) = logx (logex), then f`(x) at x=e is equal to???
What is RHD and LHD explain with a n example.
Show that f(x)=
{ (e1/x -1)/(e1/x +1) , x not equal to 0 is discontinuous at x=0.
0 , x=0
If y=(cosx)lnx +(lnx)x
Differentiate sin-1x w.r.t log( 1+x )
how does a kink in the graph of the function represents the point of non-differentiability? explain in details with examples
f(x) = x3 + bx2 +ax on [1,3] .Rolles theorem holds for c= 2 + 1/31/2 .Find a and b
show that every constant function is continuous?
If x sin ( A + y) + sinA cos (A + y) = 0, prove that dy/dx = [ sin2(a + y)] / [ sin (a + y) - ycos ( a + y ) ]
Are the proofs of theorems important from the exam point of view? I mean, will we be asked to prove theorems given in the maths textbook in the boards?
If siny + e - x cos y = e then dy/dx at (1,╥)is......??
Sir i do not agree to you completely...
It is said that log of x to base x is equal to 1 then why is it not log of 1 to base 1 is equal to 1?????
and i did not understand the reasoning behind your saying 0/0 for it...
If y^1/n + y^-1/n = 2x, the (1-x^2)y2 + xy1 =
1) -n^2y 2) n^2y 3) 0 4) none of these
Pls give detailed solution and its explaination :
1) If f(x) = 1/3 { f( x+1) + 5/ f( x+2) } and f(x) 0 for all x belongs to R then lim x-- oo f(x) = ???
a) 0 b) (2/5)^1/2 c) ( 5/2 )^1/2 d) infintiy
2) If k = lim x --- oo ( E1000k =1 ( x+k)m / xm + 101000 ) and ( m 101) then k = ???
a) 10 b) 102 c) 103 d) 104
(* oo implies infinity. E implies summation running from k =1 to 1000)
if y= log tan ( pi/4+ x/2)
show that dy/dx - sec x = 0
If xmyn= (x+y)m+nprove thatdy/dx=y/x?
xm sin(1 / x) , x is not equal to 0
Show that the function ƒ(x) = is
0 , x = 0
(i) differentialble at x = 0, if m1
(ii) continous but not differentiable at x = 0, if 0
(iii) neither continous nor differentiable, if m ≤ 0
If f(x) = (logcot x tanx) (logtan x cot x)-1 + tan-1 (4x / 4 - x2 ), then f`(2) is equal to????
let g(x) be the inverse of an invertible function f(x) which is derivatable at x=3. If f(3)=9 and f'(3)=9, write the calue of g'(9).
dy/dx of y= log(sinx/1+cosx)
wat is log00??????
also log1 to any base is zero, then log 1 to base 1 is what???
If y = logn x, where logn means log log log (repeated n times), then x log x log2x log3x. logn-1
x logn x dy/dx is equal to???
pl can some one differentiate y=sin(sin(log 3x))
given that for the function f(x)=x3-6x2+px+q on[1,3] , Rolles theorem holds with c=2+ 13 . Find the values p and q.
E.g: 9876543210, 01112345678
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Syllabus
If y= sin-1x/(1-x2)1/2 show that (1-x2)d2y/dx2 - 3x dy /dx -y =0
If x sin ( A + y) + sinA cos (A + y) = 0, prove that dy/dx = [ sin2 (a + y) ] / sin a.
Differentiate
if y= xsin-1x /(1-x2 )1/2
If X=2cost-cos2t and Y=2sint-sin2t, then prove that
dy/dx=tan(3t/2)
If y3 + x3 -3axy = 0, PT d2y/dx2 = -2a3xy/(y2-ax)3
If y=eacos-1x ; -12)d2y/dx2 - x dy/dx - a2y =0
find dy/dx
tan(x+y)+tan(x-y)=1
If tan-1 [ (x2 - y2)/ (x2 + y2) ] = a ; prove that dy/dx = x( 1 - tanA) / y ( 1 + tanA)
Show that the function f defined as follows, is continuous at x=2. but not differentiable there at: f(x)={3x-2, 0<x<=1
2x2-x, 1<x<=2
5x-4, x>2}
if x=a{(1+t2)/(1-t2)} and y=2t/(1-t2) find dy/dx.
differentiate y= (x)cosx + (cosx)sinx
Differentiate w.r.t x:
log(cosecx-cotx)
f(x) = max. (sin x , cos x ) for all x belongs to R . Then number of critical points belongs to ( -2pi , 2pi ) is/ are
(a) 5 (b) 4
(c) 7 (d) none of these
if y(x2+1)1/2= log ((x2+1) - x)
show that
(x2+1) dy/dx + xy + 1 =0
If f(x) = logx (logex), then f`(x) at x=e is equal to???
f(x)={1-cos4x/8x2, x not equal to 0
k, x=0
is continuous at x=0.
What is RHD and LHD explain with a n example.
f(x)={xtan-1(1/x), x≠0
{0, x=0 at x=0.
Show that f(x)=
{ (e1/x -1)/(e1/x +1) , x not equal to 0 is discontinuous at x=0.
0 , x=0
log (x2+x +1/x2 - x + 1)
{ sinx/x +cosx, x not equal to 0
2, x=0.
Show that f(x) is continuous at x=0.
If y=(cosx)lnx +(lnx)x
find dy/dx
Differentiate sin-1x w.r.t log( 1+x )
how does a kink in the graph of the function represents the point of non-differentiability? explain in details with examples
f(x) = x3 + bx2 +ax on [1,3] .Rolles theorem holds for c= 2 + 1/31/2 .Find a and b
show that every constant function is continuous?
f(x)={e3x-e-5x/x, x not equal to 0
8,x=0
at x=0
If x sin ( A + y) + sinA cos (A + y) = 0, prove that dy/dx = [ sin2(a + y)] / [ sin (a + y) - ycos ( a + y ) ]
Are the proofs of theorems important from the exam point of view? I mean, will we be asked to prove theorems given in the maths textbook in the boards?
If siny + e - x cos y = e then dy/dx at (1,╥)is......??
Sir i do not agree to you completely...
It is said that log of x to base x is equal to 1 then why is it not log of 1 to base 1 is equal to 1?????
and i did not understand the reasoning behind your saying 0/0 for it...
If y^1/n + y^-1/n = 2x, the (1-x^2)y2 + xy1 =
1) -n^2y 2) n^2y 3) 0 4) none of these
Pls give detailed solution and its explaination :
1) If f(x) = 1/3 { f( x+1) + 5/ f( x+2) } and f(x) 0 for all x belongs to R then lim x-- oo f(x) = ???
a) 0 b) (2/5)^1/2 c) ( 5/2 )^1/2 d) infintiy
2) If k = lim x --- oo ( E1000k =1 ( x+k)m / xm + 101000 ) and ( m 101) then k = ???
a) 10 b) 102 c) 103 d) 104
(* oo implies infinity. E implies summation running from k =1 to 1000)
if y= log tan ( pi/4+ x/2)
show that dy/dx - sec x = 0
If xmyn= (x+y)m+nprove thatdy/dx=y/x?
xm sin(1 / x) , x is not equal to 0
Show that the function ƒ(x) = is
0 , x = 0
(i) differentialble at x = 0, if m1
(ii) continous but not differentiable at x = 0, if 0
(iii) neither continous nor differentiable, if m ≤ 0
If f(x) = (logcot x tanx) (logtan x cot x)-1 + tan-1 (4x / 4 - x2 ), then f`(2) is equal to????
let g(x) be the inverse of an invertible function f(x) which is derivatable at x=3. If f(3)=9 and f'(3)=9, write the calue of g'(9).
dy/dx of y= log(sinx/1+cosx)
wat is log00??????
also log1 to any base is zero, then log 1 to base 1 is what???
If y = logn x, where logn means log log log (repeated n times), then x log x log2x log3x. logn-1
x logn x dy/dx is equal to???
pl can some one differentiate y=sin(sin(log 3x))
given that for the function f(x)=x3-6x2+px+q on[1,3] , Rolles theorem holds with c=2+ 13 . Find the values p and q.