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If 2x+3y 12 and xy 6 find 8x 3+27y 3

WebSolution 2x + 3y = 13, xy = 6 Cubing both sides, (2x+ 3y)3 = (13)3 ⇒ (2x)3 + (3y)3 +3× 2x ×3y(2x+3y) = 2197 ⇒ 8x3 +27y3 + 18xy(2x+ 3y) = 2197 ⇒ 8x3 +27y3 + 18× 6×13 = … WebSolve 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. …

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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 Web2x + 3y = -1. Formula used: (a + b) 3 = a 3 + b 3 + 3ab(a + b) Calculation: According to the question. 2x + 3y + 1 = 0. ⇒ 2x + 3y = -1. Now, (2x + 3y) 3 = (2x) 3 + (3y) 3 + 3 × 2x × 3y (-1) = -1. ⇒ 8x 3 + 27y 3 – 18xy = -1. Now, The value of (8x 3 + 8 + 27y 3 – 18xy) = (8 – 1) ⇒ 7. ∴ The required value is 7 dr. laimer thomas https://norcalz.net

[Solved] If 2x + 3y + 1 = 0, then what is the value of (8x3 + 8

Web21 jun. 2024 · answered • expert verified If 2x + 3y = 12 and xy = 6, find the value of 8x^3 + 27y^3 1 See answer please tell hi are you here yes? fatima Advertisement xero099 … WebCommunity Answer If 2x + 3y = 12 and xy = 6, find the value of 8x *3 +27 y *3? A^3+b^3= (a+b) (a^2+b^2-ab)substitute the values and you should get the answer :)I did it and it … WebFactor (2x+3y)^2-(2x-3y)^2. LCMGCF.com. Algebra; LCM Calculator; GCF Calculator; Factor ... Factor by Grouping 1/8x^3-1/27y^3; Factor by Grouping 12x^2-18x ... Factor by … coin operated laundromat near my location

[Solved] If 2x + 3y + 1 = 0, then what is the value of (8x3 + 8

Category:[Solved] If 2x + 3y = 14 and xy = 8, then the value of 8x3 + 27y

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If 2x+3y 12 and xy 6 find 8x 3+27y 3

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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, … Web22 nov. 2024 · If 3x + 2y = 12 and xy = 6, find the value of 27x 3 + 8y 3 Solution: We have 3x + 2y = 12 On cubing both sides, we have ⇒ (3x + 2y) 3 = 12 3 ⇒ (3x) 3 + (2y) 3 + 3 × 3x × 2y (3x + 2y) = √728 ⇒ 27x 3 + 8y 3 + 18xy (3x + 2y) = √728 ⇒ 27x 3 + 8y 3 + 18 × 6 × 12 = √728 ⇒ 27x 3 + 8y 3 + 1296 = √728 ⇒ 27x 3 + 8y 3 = √728 – 1296 ⇒ 27x 3 + 8y 3 = 432

If 2x+3y 12 and xy 6 find 8x 3+27y 3

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Web3 sep. 2024 · 2x + 3y = 13, xy = 6 Cubing both sides, (2x + 3y) 3 = (13) 3 ⇒ (2x) 3 + (3y) 3 + 3 x 2x x 3X2x + 3y) = 2197 ⇒ 8x 3 + 27y 3 + 18xy(2x + 3y) = 2197 ⇒ 8x 3 + 27y 3 + 18 x 6 x 13 = 2197 ⇒ 8X 3 + 27y 3 + 1404 = 2197 ⇒ 8x 3 + 27y 3 = 2197 – 1404 = 793 ∴ 8x 3 + 27y 3 = 793. Question 10. If 3x – 2y= 11 and xy = 12, find the value of 27x ... Web26 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) …

WebHome; Documents; Bird - Higher Engineering Mathematics - 5e - Solutions Manual.pdf; of 640 /640. Match case Limit results 1 per choose Limit results 1 per choose Web16 jul. 2024 · Solution Solution Solution Solution 10. If 2x+3y = 13 and xy = 6, find the value of 8x3 + 27y3 Solution 11. If 3x − 2y = 11 and xy = 12, find the value of 27x3 − 8y3 Solution 12. If x4 + 1 x4 = 119 x 4 + 1 x 4 = 119, find the value of x3 − 1 x3 Solution 13. Evaluate each of the following: (i) (103)3 (ii) (98)3 (iii) (9.9)3 (iv) (10.4)3 (v) (598)3

WebSolve by Factoring x^(4/3)-10x^(2/3)+9=0; Factor by Grouping 40-5t^3; Factor 63cd-7c^5d; Factor 9(x-y)^2+12(x-y)(x+y)+4(x+y)^2; Factor 2x^4+3x^3+6x^2-2; Factor (x/x)^2+1; Factor cot(x)^3+cot(x)^2+cot(x)+1; Solve by Factoring x/(x-2)+(x-1)/(x+1)=-1; Factor 6xy-4y+6-9x; Factor 75t^2+12; Factor xk-xy-x^2+yk; Solve by Factoring y^3-27=9y^2-27y ... WebAnswer (1 of 15): METHOD 1 : 2x + 3y = 13 ……….(1) Cubing both sides : (2x + 3y)³ = 2197 Using (a + b)³ = a³ + b³ + 3 ab (a + b) , = > 8x³ + 27y³ + 3 × 2 x × 3 y (2 x + 3 y ) = …

Web28 feb. 2024 · 2x+3y=12. cube on both sides, (2x+3y)^3 =12^3 by the identity (a+b)^3= a^3 +b^3 +3ab(a+b) here, 8x^3 + 27y^3 +3(6xy)(2x+3y) =12^3 putting the values which are …

Web19 jun. 2024 · If 2x + 3y = 13 and xy = 6, find the value of 8x 3 + 21y 3. Solution: 2x + 3y = 13, xy = 6 Cubing both sides, (2x + 3y) 3 = (13) 3 ⇒ (2x) 3 + (3y) 3 + 3 x 2x x 3X2x + … coin operated laundry repairWebClass 9 RD Sharma Solutions Chapter 4 Algebraic Identities Ex 4.3. Question 1. Find the cube of each of the following binomial expressions: Solution: Question 2. If a + b = 10 … dr laina sheersWebSubstitute 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] dr lail woodstock ontario