If 2x+3y 12 and xy 6 find 8x 3+27y 3
Web28 mrt. 2024 · Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 13 years. He provides courses for Maths, … Web8x 3 + 27y 3 = 793 Question 11: If 3x – 2y= 11 and xy = 12, find the value of 27x3 – 8y3. Solution: Given: 3x – 2y = 11 and xy = 12 Cubing 3x – 2y = 11 both sides, we get (3x – 2y) 3 = (11) 3 (3x) 3 – (2y) 3 – 3 ( 3x) ( 2y) (3x – 2y) =1331 27x 3 – 8y 3 – 18xy (3x -2y) =1331 27x 3 – 8y 3 – 18 x 12 x 11 = 1331 27x 3 – 8y 3 – 2376 = 1331
If 2x+3y 12 and xy 6 find 8x 3+27y 3
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WebIf 2x+3y=13 and xy=6 Find 8x^3+27y^3 About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new … Web30 mrt. 2024 · SSC CHSL Algebraics Questions [Free PDF] : Get solved getting for SSC CHSL Algebra Questions and Prepare for your Exam.Download FREE PDF with detailed solutions and kick start your Preparation with Testbook.
Web26 aug. 2024 · ⇒ (2x) 3 + (3y) 3 = 14 × (100 - 6 × 8) ⇒ 14 × 52 = 728 ∴ The answer is 728. Alternate Method a3 + b3 = (a + b)3 - 3ab (a + b 8x3 + 27y3 = (2x + 3y)3 - 3 × 2x × 3y (2x + 3y) ⇒ 143 - 18 × 8 × 14 ⇒ 2744 - 2016 ⇒ 728 ∴ The answer is 728. Download Solution PDF Share on Whatsapp Latest SSC CGL Updates Last updated on Mar 14, 2024 WebJawaban paling sesuai dengan pertanyaan Bentuk sederhana dari: 3Y^(2)root(3)((8X^(6))/(27Y^(12))) adalah ....
WebGet all Solution For Mathematics Class 9, Algebraic Identities here. Get connected to a tutor in 60 seconds and clear all your questions and concepts. #AskFilo WebSolving the two equations; 2x + 3y = 13 & xy = 6 together, we get a quadratic: 2x² - 13x + 18 = 0 or (x - 2) (2x - 9) = 0 ==> x = 2, 9/2 , which gives y = 3, (4/3). Therefore, 8x³ + 27y³ = …
WebIf 2x+3y=12 and xy=6, find the value of 8x 3+27y 3. Easy Solution Verified by Toppr 2x+3y=12 xy=6 8x 3+27y 3 =(2x) 3+(3y) 3 =a 3+b 3=(a+b)(a 2+b 2−ab) 8x 3+27y …
Web30 jan. 2010 · SOLUTION : Equations : 2x+3y = 13 ----------- (1) x y= 6 ----------- (2) SUBSTITUTION METHOD : From (1) x= (13 – 3y)/2 Substitute in (2) x y =6 { (13 – 3y)/2} * y = 6 { (13 – 3y)} y = 6*2 13y – 3y 2 = 12 3y 2 - 13y +12 = 0 ( SPLITTING THE MIDDLE-TERM METHOD) 3y 2 - 9y – 4y + 12 = 0 3y (y -3) + 4 (y-3) = 0 (y-3) ( 3y-4) = 0 y-3 = 0 … heading reference systemWebHome; Documents; Bird - Higher Engineering Mathematics - 5e - Solutions Manual.pdf; of 640 /640. Match case Limit results 1 per choose Limit results 1 per choose goldman sachs report on climate changeWebSubstitute 2x + 3y = 13 and xy = 6. = (13)3 - 18 ⋅ 6 ⋅ (13) = 2197 - 1404 = 793 6. Answer : We can write 27x3 + 64y3 as follows. 27x3 + 64y3 = (3x)3 + (4y)3 To factor 27x3 + 64y3, we can use the following algebraic identity. a3 + b3 = (a + b) (a2 - ab + b2) Substitute a = 3x and b = 4y. (3x)3 + (4y)3 = (3x + 4y) [ (3x)2 + 3x ⋅ 4y + (4y)2] heading repeaterWeb26 aug. 2024 · 2x + 3y = 14 and xy = 8. Concept used: (a + b) 2 = a 2 + b 2 + 2ab. a 3 + b 3 = (a + b)(a 2 - ab + b 2) Calculation: 2x + 3y = 14. on squaring both side we get (2x + 3y) … goldman sachs retail conference wayfairWebMaths Teachers Guide Grade 9 grade12books 1 goldman sachs research departmentWebSolve the system of equations by addition-subtraction or by substitution. y = 2x - 3 x = 19 - 3y; Solve the system of equations by Addition and Substitution: 2x + y = 6; 3x - 2y = 2. … goldman sachs report on generative aiWeb2X+3Y=[2430] and 3X+2Y=[ 2−1−25] Medium Solution Verified by Toppr Find the value of X and Y if 2X+3Y=[2430] 3X+2Y=[ 2−1−25] → let Assume [2430] = A [ 2−1−25] = B →2x+3y=A __ (i) 3x+2y=B __ (ii) → multiple equation (i) with 2 & equation (ii) with (3) 4x+6y=2A 9x+6y=3B ________________ −5x=2A−3B ∴x= 5−1[2A−3B] ∴x= 53B− 52A = … heading reading