If x/y + y/x -1 then find x3-y3
WebSolution The correct option is B sin 2 u Explanation for correct option: Finding the value of the expression: Given equation, u = tan - 1 x 3 + y 3 x - y so, tan u = x 3 + y 3 x - y Let tan u = z... 1 Therefore, z = x 3 + y 3 x - y Further simplifying the above equation, WebOriginally Answered: If x/y + y/x = 1 then what is the value of x^3 +y^3? The answer is 0. Multiplying both sides by (x + y) Hope it helps. 14 Mathematics is Life Answered by Ramesh Pandey Apr 8, 2024 x/y +y/x=1 x^2 +y^2 -xy =0 x^3 +y^3 = (x+y) (x^2 +y^2 -xy) = 0 3 Jagdish Ballabh Sharma
If x/y + y/x -1 then find x3-y3
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WebSuppose ∣k∣ = 1, Then the expression is 1−k31−k2 limx→0 x1 However, we know that limx→0+ x1 = ∞ and limx→0− x1 = −∞. 8x2y2/4x3y3 Final result : 2x5y5 Step by step solution : Step 1 : y2 Simplify —— 4 Equation at the end of step 1 : y2 ( ( (8 • (x2)) • ——) • x3) • y3 4 Step 2 :Equation at the end of step 2 ... WebIf x/y + y/x = -1, (x, y ≠ 0), the value of x 3 - y 3 is a. 1 b. -1 c. 0 d. 1/2. Solution: We know that. x 3 - y 3 = (x - y) (x 2 + xy + y 2) …. (1) It is given that. x/y + y/x = -1. By further …
Web19 sep. 2013 · if x/y + y/x = -1 (x,y are not equal) , then find the value of x 3 - y 3 ? how_to_reg Follow thumb_up Like (1) visibility Views (1.4K) edit Answer question_answer Answers (1) person Kishore Kumar Given (x/y) + (y/x) = –1 (x 2 + y 2 )/xy = –1 (x 2 + y 2) = – xy x 2 + y 2 + xy = 0 -- [1] Now consider, x 3 – y 3 = (x – y) (x 2 + y 2 + xy ) WebAnswer (1 of 9): Given: x³ + y³ = 2 and xy = 1 (x + y)³ = x³ + 3x²y + 3xy² + y³ (x + y)³ = (x³ + y³) + (3x²y + 3xy²) (x + y)³ = 2 + 3xy(x + y) (x + y)³ ...
WebAnswer (1 of 20): x/y+y/x=1 gives x^2 + y^2 =xy……(1) Now, Use the identity x^3 + y^3 = (x+y) (x^2+y^2-xy). => x^3 + y^3 = (x+y) (xy-xy) {Using (1) = 0 Ans. x/y+y/x=1 gives x^2 … WebThe proof that follows is based on the infinite descent, i.e., we shall show that if $(x,y,z)$ is a solution, then there exists another triplet $(k,l,m)$ of smaller integers, which is also a solution, and this leads apparently to a contradiction.
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Web27 apr. 2024 · Math Secondary School answered If x - y = 1, then find the value of x3 – y3 – 3xy Advertisement sugar15 is waiting for your help. Add your answer and earn points. Loved by our community 21 people found it helpful nagarishithakalluri Answer: I hope you understand my answer by above pic I hope it helps you stay home stay safe chris kyle shooting rangeWeb16 okt. 2024 · x 3 + y 3 = 12 Formula Used: x 2 + y 2 = (x + y) 2 – 2xy x 3 + y 3 = (x + y) (x 2 – xy + y 2) x 4 + x 4 = (x 2 + y 2) 2 – 2x 2 y 2 Calculation: x 3 + y 3 = (x + y) (x 2 – xy + y 2) ⇒ 12 = 4 × (x 2 – xy + y 2) ⇒ x 2 + y 2 = 3 + xy ⇒ (x + y) 2 – 2xy = 3 + xy ⇒ 4 2 – 3 = 3xy ⇒ xy = (16 – 3)/3 ⇒ xy = 13/3 x 4 + y 4 = (x 2 + y 2) 2 – 2x 2 y 2 geofencing technology companiesWeb16 aug. 2024 · First equation is : X+Y = 4 Second equation is : (1/X) + (1/Y) = 16/15 To find, Value of (X³+Y³) Solution, We can simply solve this mathematical problem by using the following mathematical process. Here, we have to use normal algebraic method. Now, from second given equation, we get - (1/X) + (1/Y) = 16/15 or, (Y+X)/XY = 16/15 or, (X+Y)/XY … geofencing systemWeb14 aug. 2013 · If x + y = 12 and xy = 27 then find the value of x3 + y3. Class-IX . Maths . Polynomials . Avnish verma. Aug 14, 2013. If x + y = 12 and xy = 27 then find the value of x3 + y3. if x + y = 12 and xy = 27 then find the value of x 3 + y 3. how_to_reg Follow . thumb_up Like (6) visibility Views (35.9K) edit Answer . question_answer ... geofencing texasWeb30 jan. 2024 · Best answer. Given that, x3 + y3 = sin (x + y) Differentiating w.r.t. 'x', we have. ← Prev Question Next Question →. Free JEE Main Mock Test. Free NEET Mock Test. Class 12 Chapterwise MCQ Test. Class 11 Chapterwise Practice Test. geofencing system software for hospitalityWeb13 jun. 2024 · Answer: x³-y³=0 Step-by-step explanation: Given Problem: If x/y+y/x = -1 then find the value of x³-y³ Solution: Given: x/y+y/x = -1 To Find: Value of x³-y³ ------ We … chris kyle shoots lootersWebIf x+y+z=1,xy+yz+zx=−1 and xyz=−1, find the value of x 3+y 3+z 3. Medium Solution Verified by Toppr Given x+y+z=1, xy+yz+zx=−1 and xyz=−1 x 3+y 3+z 3−3xyz=(x+y+z)(x 2+y 2+z 2−xy−yz−zx) x 3+y 3+z 3−3(−1)=1(x 2+y 2+z 2)−(−1) x 3+y 3+z 3+3=x 2+y 2+z 2+1 x 3+y 3+z 3+2=x 2+y 2+z 2 (x+y+z) 2=x 2+y 2+z 2+2xy+2yz+2xz 1 2=x 2+y 2+z … geo fencing thermostats