If x/y + y/x -1 then find x3-y3
WebAnswer: Option A Solution (By Examveda Team) x: y = 3: 1 ∴ x y = 3 1 ∴ x 3 − y 3 x 3 + y 3 ⇒ y 3 ( x 3 y 3 − 1) y 3 ( x 3 y 3 + 1) taking y 3 common = x 3 y 3 − 1 x 3 y 3 + 1 ⇒ 27 − … WebPh-1,2,3 and Seq. & Prog(13th) - Free download as PDF File (.pdf), Text File (.txt) or read online for free. Question bank on Compound angles, Trigonometric eqn and ineqn, Solutions of Triangle, Sequence & Progression There are 132 questions in this question bank. Select the correct alternative : (Only one is correct) Q.1 If x + y = 3 – cos4 and x – y = 4 sin2 …
If x/y + y/x -1 then find x3-y3
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Web16 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 Web11 sep. 2024 · Answer is (1) x < 1, y < 1, x ≠ y (x + y) + (x2 + xy + y2) + (x3 + x 2y + xy2 + y3) + ........ By multiplying and dividing x – y 0 votes answered Mar 29 by LuckyR (28 points) Hence the correct answer is (1) ← Prev Question Next Question → Find MCQs & Mock Test JEE Main 2024 Test Series NEET Test Series Class 12 Chapterwise MCQ Test
Web30 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. Web16 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 …
WebSolution Verified by Toppr Correct option is A) Let,the two number be x and y Therefore,we get x−y=7 x 3−y 3=133 Now, x−y=7 Squaring both sides, =>(x−y) 2=7 2 =>x 2+y 2−2xy=49 =>x 2+y 2=49+2xy Now, x 3−y 3=133 =>(x−y)(x 2+y 2+xy)=133 =>7(49+2xy+xy)=133 =>49+3xy= 7133 =>3xy=19−49 =>xy= 3−30 =>xy=−10 Putting the value of xy we get, x … Web5 apr. 2024 · The re-exam was tentatively scheduled on 18th December 2024. The Territorial Army had released the official notification for Territorial Army Exam 2024. …
Web2 jan. 2024 · Find x3+y3 if x+y=3 and xy=2 See answer Advertisement jitumahi435 We need to recall the following property of the cube of a sum. This problem is about the property of the cube of a sum. Given: From the above property, we get Advertisement Advertisement
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 ... grace church monroeville paWebSolution Verified by Toppr Correct option is B) Given, x+y=5,xy=6 (x+y) 3=x 3+y 3+3xy(x+y) Therefore, 5 3=x 3+y 3+3(6)(5) ⇒125=x 3+y 3+90 ⇒x 3+y 3=125−90=35 Was this answer helpful? 0 0 Similar questions If x+y=8,xy=15, then the value of x 2+y 2 will be- Medium View solution > If x 2+y 2=25 and xy=12, then the value of x −1+y −1 is Medium chillawong circuit blackbuttWebThe 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. chill awhile restaurantWebIf xy + yx = - 1, (x, y ≠ 0) , then value of x^3 - y^3 is: Class 9. >> Maths. >> Polynomials. >> Algebraic Identities. >> If xy + yx = - 1, (x, y ≠ 0) , then val. chill away heated wrapWebFind one factor of the form x^{k}+m, where x^{k} divides the monomial with the highest power x^{3} and m divides the constant factor y^{3}-1. One such factor is x+y-1. Factor … grace church molallaWebAnswer (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 … chillawong apartmentWebOriginally 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 chill awhile negril