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If x+1/x 7 then x 3+1/x 3

Web1 jun. 2024 · Algebra: If X - 1/X =3 then X^7 - 1/X^7 = ? Our Math Channel 20K subscribers Join Subscribe 673 Share Save 64K views 3 years ago Algebra Algebra: If X - 1/X =3 then... Web19 okt. 2024 · x7 + 1 x7 = 843 Explanation: Here's one method... Given: x + 1 x = 3 Then: x2 + 1 x2 = (x + 1 x)(x + 1 x) − 2 = 3 ⋅ 3 − 2 = 7 Then: x4 + 1 x4 = (x2 + 1 x2)(x2 + 1 x2) …

Prove if x + (1/x) = 1 then x^7 + (1/x^7) = 1. Physics Forums

Web16 sep. 2024 · x - 1/x = 7 by squaring both side , we get (x - 1/ x)^2 = (7)^2 x^2 + 1/x^2 - 2 (x) (1/x) = 49 x^2 + 1/x^2 - 2 = 49 x^2 + 1/x^2 = 49 + 2 x^2 + 1/x^2 = 51 again ,by squaring both side , we get (x^2 + 1/x^2)^2 = (51)^2 x^4 + 1/x^4 + 2 (x^2) (1/x^2) = 2601 x^4 + 1/x^4 + 2= 2601 x^4 + 1/x^4 = 2601 - 2 x^4 + 1/x^4 = 2599 ____________________________ WebAnswer (1 of 7): x^2+1/x^2 = 7, or x^4–7x^2+1 = 0 …(1) Let x^2 = y, so (1) becomes y^2–7y+1 = 0 y1 = [7+(49-4)^0.5]/2 = [7+45^0.5]/2 = 6.854101966 and x1 = 2.618033989 and x2 = -2.618033989 x1^3+1/x1^3 = 2.618033989^3+ 1/2.618033989^3 = 17.94427101 +1/17.94427101 = 18 x2^3+1/x2^3 = -2.6180... current weather in belfield nd https://oahuhandyworks.com

If x+1/x = 3 then what is x^7+1/x^7 ? Socratic

Web19 okt. 2024 · x7 + 1 x7 = 843 Explanation: Here's one method... Given: x + 1 x = 3 Then: x2 + 1 x2 = (x + 1 x)(x + 1 x) − 2 = 3 ⋅ 3 − 2 = 7 Then: x4 + 1 x4 = (x2 + 1 x2)(x2 + 1 x2) −2 = 7 ⋅ 7 −2 = 47 Also: x3 + 1 x3 = (x + 1 x)(x2 − 1 + 1 x2) = 3(7 −1) = 18 So: x7 + 1 x7 = (x4 + 1 x4)(x3 + 1 x3) −(x + 1 x) = 47⋅ 18− 3 = 843 Answer link WebIf x+1 / x=7 then find the value of x3+1 / x3 Byju's Answer Standard VIII Mathematics Polynomials If x+1 / x=7 ... Question If x+ 1 x = 7 then find the value of x3+ 1 x3 … Web22 apr. 2024 · If x+1/x=7 find x-1/x Get the answers you need, now! VijHardik VijHardik 22.04.2024 Math Secondary School ... x+1/x=7. then squaring both sides (x+1/x)^2 =7^2. x^2+1/x^2+2x*1/x. x^2+1/x^2+2=49. x^2+1/x^2=49-2. x^+1/x^2=47. if we have to find the value of x-1/x then charter cable covington ga

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If x+1/x 7 then x 3+1/x 3

[Solved] x + (1/x) = 7, then find the value of x7 + (1/x7). - Testbook

WebClick here👆to get an answer to your question ️ If x + 1x = 4 , then the value of x^3 + 1x^3 is: Solve Study Textbooks Guides. Join / Login >> Class 9 >> Maths >> Polynomials >> Algebraic Identities >> If x + 1x = 4 , then the value of x^3 + Question . WebOne quick note, if you write f^{-1} as a function of x then the variable on the right hand should be x. So either f^{-1}(y)=\frac{y+3}{y-2}, which is perfectly fine to write, or f^{-1}(x)=\frac{x+3}{x-2} ... More Items. Share. Copy. Copied to clipboard. f^{-1}x\left(x-2\right)=-x-1 . Multiply both sides of the equation by x-2. f^{-1}x^{2}-2f ...

If x+1/x 7 then x 3+1/x 3

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Webx2+3x+1=0 Two solutions were found : x = (-3-√5)/2=-2.618 x = (-3+√5)/2=-0.382 Step by step solution : Step 1 :Trying to factor by splitting the middle term 1.1 Factoring x2+3x+1 … WebIf x+ x1=7, find x 3+ x 31. Hard Solution Verified by Toppr It is given that x+ x1=7, by taking cubes on both sides we get: (x+ x1)3=7 3 ⇒(x) 3+(x1)3+(3×x× x1)(x+ x1)=343(∵(a+b) …

WebWe can factor the polynomial x^3-x^2-x+1 using the rational root theorem, which guarantees that for a polynomial of the form ... The possible roots \pm\frac{p}{q} of the polynomial … Web5 okt. 2016 · Without actually solving for x, prove the following: if x + 1/x = 1, then x 7 + 1/x 7 = 1. Assume that x 7 + 1/x 7 = 0. Then: x 7 = -1/x 7 x 7 x 7 = -1 x 14 = -1. Therefore x …

Web14 jun. 2016 · Here's your solution : We will be using the Identity of ( a + b) ³ Given, x + 1/x = 7 . Now, Cubing on both sides, ( x + 1/x)³ = 7³ x³ + 1/x³ + 3x (1/x) ( x + 1/x) = 343 x³ + … WebClick here👆to get an answer to your question ️ If x + 1/x = 5 , then 2x/3x^2-5x+3 is equal to

WebSolve your math problems using our free math solver with step-by-step solutions. Our math solver supports basic math, pre-algebra, algebra, trigonometry, calculus and more.

WebIf x = 7+4√3 then √x+1/√x is . Open in App. Solution. Sol: Given x = 7 + 4√3 x = 7 + 4√3 1 / x = 1 / ( 7 + 4√3) rationalize denominator (7 - 4√3) = (7 - 4√3) / 49 - 48 = (7 - 4√3) √x = √( 7 + 4√3 ) = √ ( √4)2 + (√3)2 + 2x√4x√3 ) charter cable cullman alWebIf x+1/x=5, find the value of x3+1/x3. Login. Study Materials. NCERT Solutions. NCERT Solutions For Class 12. NCERT Solutions For Class 12 Physics; NCERT Solutions For Class 12 Chemistry; NCERT Solutions For Class 12 Biology; NCERT Solutions For Class 12 Maths; ... ⇒ x 3 + 1 x 3 + 3 ... current weather in beijingWeb(x+7) (x+13) Final result : (x + 7) • (x + 13) Step by step solution : Step 1 :Final result : (x + 7) • (x + 13) Processing ends successfully How do you multiply (x +1)(x+ 4) ? … charter cable digital converter boxWeb16 nov. 2014 · If x + 1/x = 7 then find the value of x 2 + 1/x 2 =? how_to_reg Follow thumb_up Like (1) visibility Views (30.3K) edit Answer question_answer Answers (2) … charter cable farmington moWebIf x+ 1 x= 3, find the value x6+ 1 x6. Solution x+ 1 x=3, Squaring both sides, (x+ 1 x)2 =(3)2 ⇒ x2+ 1 x2+2 =9 ⇒ x2+ 1 x2 =9−2 =7 Cubing both sides, (x2+ 1 x2)3 = (7)3 ⇒ x6+ 1 x6+3(x2+ 1 x2) =343 ⇒ x6+ 1 x6+3×7=343 ⇒ x6+ 1 x6+21 =343 ⇒ x6+ 1 x6 =343−21 =322 ∴ x6+ 1 x6 =322 Suggest Corrections 1 Similar questions Q. current weather in belle chasse laWebSee a solution process below: Explanation: Step 1) Subtract (10) from each side of the equation to isolate the x term while keeping the equation ... More Items Share Examples … charter cable franklin vaWebSo, x 7 + 1/x 7 = 18 × 47 - 3 = 843 ∴ If x + 1/x = 3, then x 7 + 1/x 7 = 18 × 47 - 3 = 843 Download Solution PDF Share on Whatsapp Latest SSC CGL Updates Last updated on … current weather in belgrade