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Prove sin 1/x is differentiable

Webb9 apr. 2024 · Show that the function `f` defined as follows `f(x)={3x-2 , 0ltxle1 ; 2x^2-x , 1ltxle2 ; 5x-4 , xgt2,` is continous at x=2 but not differentiable. asked May 7, 2024 in Continuity and Differentiability by HariharKumar ( 91.1k points) Webb4 feb. 2024 · Here we will use the logarithmic derivatives. Step 1: Let u=e sin x. We need to find du/dx. Step 2: Taking logarithm on both sides, we get. log e u = log e e sin x. ⇒ log e u = sin x log e e. ⇒ log e u = sin x as we know that log a a=1. Step 3: Differentiating we get that. d d x ( log e u) = d d x ( sin x)

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Webb24 apr. 2016 · #f'(x) = 2xsin(1/x)+cos(1/x)# #lim_(xrarro)f'(x)# does not exist. #2xsin(1/x)# goes to #0#, but #cos(1/x)# does not approach a limit. Here is the graph of #f(x)#. (You can zoom and drag the graph around. When you leave the page and return the default image will appear again.) graph{x^2sin(1/x) [-0.238, 0.2813, -0.095, 0.1643]} Here's the … WebbIn calculus, an antiderivative, inverse derivative, primitive function, primitive integral or indefinite integral of a function f is a differentiable function F whose derivative is equal to the original function f.This can be stated symbolically as F' = f. The process of solving for antiderivatives is called antidifferentiation (or indefinite integration), and its opposite … how to watch derby v west ham https://gospel-plantation.com

f(x) = x .sin x is differentiable at x = 0 - Toppr Ask

Webb15 apr. 2016 · Explanation: Let y = sin−1x, so siny = x and − π 2 ≤ y ≤ π 2 (by the definition of inverse sine). Now differentiate implicitly: cosy dy dx = 1, so dy dx = 1 cosy. Because − π 2 ≤ y ≤ π 2, we know that cosy is positive. So we get: dy dx = 1 √1 − sin2y = 1 √1 − x2. (Recall from above siny = x .) Answer link WebbWhen is a curve differentiable? Show that thefunction` f (x) = sin x + cos x ` is continuous at `x =pi` an example that 0^0 doesn't approach 1 integral of sin (x)/x from 0... WebbThe function f is defined by f ( x) = sin ( 1 / x) for any x ≠ 0. For x = 0, f ( x) = 0. Determine if the function is differentiable at x = 0. I know that it isn't differentiable at that point … how to watch detroit lions online

f(x) = x .sin x is differentiable at x = 0 - Toppr Ask

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Prove sin 1/x is differentiable

Why is sin(1/x) differentiable? - Quora

Webb9 maj 2016 · 1 Answer sente May 9, 2016 The function, as given, is not continuous at 0 as 0sin( 1 0) is not defined. However, we may make a slight modification to make the function continuous, defining f (x) as f (x) = {xsin(1 x) if x ≠ 0 0 if x = 0 We will proceed using this modified function. Webbstrictly decreasing; and if x= 1, f0(x) = 0. Since fis strictly decreasing for x<1, strictly increasing for x>1, and fis continuous on R, f(1) is a minimum for f. But f(1) = e e= 0; therefore, f(x) = ex ex 0 for all x2R, which implies ex ex. This concludes the proof. (29.11) Show sinx xfor all x 0. Proof. Let f(x) = x sinx; then f0(x) = 1 cosx

Prove sin 1/x is differentiable

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Webbf (x) = ∣x∣.sinx is differentiable at x=0 Reason If f (x) is not differentiable and g (x) is differentiable at x=a then f (x). g (x) will be differentiable at x=a A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion B Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion WebbA function is said to be differentiable if the derivative of the function exists at all points in its domain. Particularly, if a function f (x) is differentiable at x = a, then f′ (a) exists in the …

WebbIf f(x)and g(x)are differentiable functions for 0≤x≤1such that f(0)=2,g(0)=0,f(1)=6,g(1)=2, then in the interval (0,1), Medium. View solution. Let then f(x)=(x−4)(x−5)(x−6)(x−7)then. … WebbCorrect option is C) f(x)=∣x∣sinx={−xsinx,x<0xsinx,x≥0. f(x)={−sinx−xcosx,x<0sinx+xcosx,x≥0. Clearly at x=0, L.H.D =0= R.H.D. Hence f(x) is …

WebbConsider the function g(x) = 1 xn where n ∈ N, prove that g is differentiable. I tried to use the definition, Let c ∈ R, then: g(x) − g(c) x − c = 1 xn − 1 cn x − c = cn − xn (x − c)(xn ⋅ cn) … Webb8 maj 2016 · May 9, 2016. The function, as given, is not continuous at 0 as 0sin( 1 0) is not defined. However, we may make a slight modification to make the function continuous, …

Webb20 juni 2024 · Using first principle, when we try to check the differentiability of $x^2\sin(1/x)$ at $x= 0$,we get 0. But if we differentiate the function first, and then try to find differentiability at x=0,we we find it's not differentiable. I have encountered similar …

WebbDid you mean the derivative of ln(u)? Because the derivative of ln(x) is 1/x, if we have the derivative of ln(u), where u is some polynomial, then we must use u-substitution, which says that d/dx[f(g(x))] = f'(g(x))*g'(x) If we do that for our ln expression, we get: d/dx[ln(u)] … original itunes downloadWebbOther Features Expert Tutors 100% Correct Solutions 24/7 Availability One stop destination for all subject Cost Effective Solved on Time Plagiarism Free Solutions originality and contemporaryWebbOther Features Expert Tutors 100% Correct Solutions 24/7 Availability One stop destination for all subject Cost Effective Solved on Time Plagiarism Free Solutions originality and competition in scienceWebbAnswer (1 of 2): In short, \sin\left(\frac{1}{x}\right) is defined over (-\infty, 0)\cup(0,\infty), and continuity and differentiability of both \sin(x) and \frac{1}{x} in this domain, … original it\\u0027s corn songWebbThis is the Solution of Question From RD SHARMA book of CLASS 12 CHAPTER CONTINUITY AND DIFFERENTIABILITY This Question is also available in R S AGGARWAL … original it\u0027s corn songWebb5 aug. 2007 · i also know if a function is differentiable at 0 then it has to be continuous at 0, which sin(1/x) is not. but i don't have a good idea on how to prove that sin(1/x) is not continuous at 0 also, would it be sufficient to just show that sin(1/x) is discontinuous at 0 to prove it is not differentiable at 0? originality and fair playWebb17 dec. 2024 · The function f (x) = x2 sin (1/x), x ≠ 0, f (0) = 0 at x = 0 (A) Is continuous but not differentiable (B) Is discontinuous (C) Is having continuous derivative (D) Is continuous and differentiable limit continuity differentiability jee jee mains 1 Answer +1 vote answered Dec 17, 2024 by Rozy (42.1k points) selected Dec 17, 2024 by Vikky01 how to watch detroit lions today