Hellllllllllp! I can’t figure out what I am doing wrong in this problem. The answer is supposed to be 1. I am referring to the second problem (B) on the photo sent. Thank you! 9. IF A = 3x9²² i + 2xy^j - x²yek & %² = 3x² - y2 FIND:A) 7. À @ (1₁-1, 1)• A = 2(3x42²) +ax@ (1,-1,1)oy23y₂ ² + b xy² - x²ydx√ = aaxd+(2x4²³) + 2/₂2 (-x²4²) ==dz3(-1)(0)² + 6(1)(-0)²-(0)² (-1) =-3 + 6-(-1)(4)B. F. (BA) @ (1,-1, 1),(px) = (3xyz^2 + 2x4²3 - x^4²2) (3x² - y2) -+dz(3x²- y²) (3 xyz²)i + (3x²-yz) (2x4³) ; - (3x² - y²) (x²y² ) ê =3 39x²³ y ²² - 3 xy² 2²³ ² + 6x³y² - 2xy^², j - 3x^yz - x²y²z²7.7. (PA) =2(9x³y2²-3x4³2³) î+2 (6x³y² - 2xy^2); + (-3x^²yz -x²y²2²) × =ddzdy27x²92²- 34²2²2 - 27 x ²4' - sxy³z + (-3x^4 -2x³y²z) k27 (1) ² (-1) (1)²-3 (-1)² (1) ³ + 27 (1) ³ (-1) ² - 8 (1) (-1) ³ (1) + (-3 (1) + (-1) - 2 (1) ²2-17² (1)

Answered: Image /qna-images/answer/18b0c938-ee8a-4fbf-ad44-7ea47b4fd7af.jpg

19. IF A = 3x9²²¹ 2 + 2xy²j - x²yek & 8 = 3x² - y2 FIND: A) 7. À @ (1,-1,₁1) *- - - - = a d + + ax • A = 2(3x42²) + (2x4²³) + 2/₂² (-x²³ y ²) = 2 32 = ax dz oy 3 yz ² + b xy² - x²y @ (1,-1,1) 3(-1)(0)² + 6(1)(-0²-(0)² (-1) = -3 + 6 - (-1) = (4) dz B. F. (DA) @ (1,-1, 1) (px) = (3xyz^2 + 2x4²3 - x^4²6) (3x²-ye) - 3 3 (3x² - y²) (3 xyz²)i + (3x² - y2) (2x4³) ; - (3x² - y²) (x²y²) k = 9x³y²² - 3 xy² 2² 2 + 6x³y² - 2xy^2; ; - 3x^y² - x^²y^² 2²¹ 7 7. (DA) = 2(9x³y2²-3x4³2³)+2 (6x³y² - 2xy^2); + (-3x^yz -x²y²2²) × = d dz dy 27x²92²- 34²2²2 - 27 x²y' - sxy³2) + (-3x^4 -2x³y²z) k 27 (1) ² (-1) (1)²-3 (-1)² (1) ³ + 27 (1) ³ (-1)² - 8 (1) (-1) ³ (1) + (-3 (1) + (-1) - 2 (1)²2-17² (1)

19. IF A = 3x9²²¹ 2 + 2xy²j - x²yek & 8 = 3x² - y2 FIND: A) 7. À @ (1,-1,₁1) *- - - - = a d + + ax • A = 2(3x42²) + (2x4²³) + 2/₂² (-x²³ y ²) = 2 32 = ax dz oy 3 yz ² + b xy² - x²y @ (1,-1,1) 3(-1)(0)² + 6(1)(-0²-(0)² (-1) = -3 + 6 - (-1) = (4) dz B. F. (DA) @ (1,-1, 1) (px) = (3xyz^2 + 2x4²3 - x^4²6) (3x²-ye) - 3 3 (3x² - y²) (3 xyz²)i + (3x² - y2) (2x4³) ; - (3x² - y²) (x²y²) k = 9x³y²² - 3 xy² 2² 2 + 6x³y² - 2xy^2; ; - 3x^y² - x^²y^² 2²¹ 7 7. (DA) = 2(9x³y2²-3x4³2³)+2 (6x³y² - 2xy^2); + (-3x^yz -x²y²2²) × = d dz dy 27x²92²- 34²2²2 - 27 x²y' - sxy³2) + (-3x^4 -2x³y²z) k 27 (1) ² (-1) (1)²-3 (-1)² (1) ³ + 27 (1) ³ (-1)² - 8 (1) (-1) ³ (1) + (-3 (1) + (-1) - 2 (1)²2-17² (1)

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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