^ Suppose that f(x, y) = x³y². The directional derivative of f(x, y) in the directional (2, 3) and at the point (x, y) = (-1, - 2) is 7.7658 X Question Help: Video Message instructor Submit Question Jump to Answer

Q: Find a function f and a number a such that for all x > 0. + 1² d f(t) t² 7+ dt = 2√x

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Q: 39. Solve Y"(t) +9Y(t) = 18t if Y(0) = 0, Y(r/2) = 0. ly Ans. Y(t)= 2t += sin 3t

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Q: 6. Evaluate: ធំ 4 4t cos3t dt

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Q: (3) Given f(x)=x-6, then f'(6)=. (4) 0 (B) 1 (C) -1 (D) does not exist

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Q: :) Given the following planes 1, x+y + z = 1 : ! 1₂ x + 2y +2₂=1 113: x - 5y +32=4 a. Find the…

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Q: Let u=i+j, v=j and w=k. Find c₁, c₂ and c3 such that 5i +5j + 4k =q₁u+c₂v+C₂W.

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Q: (a) lim √n = 1. 004-11

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Q: If w=e" and u = √x² + y² by used approximate method aw² axay

A: Given So,          ∂2w∂x∂y=∂2∂x∂ye-u             =∂2∂ x∂ ye-x2+y2             =∂ ∂ y-e-x2+y2xx2+y2…

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Q: V. Use Variation of Parameters to find a particular solution for y"-4y'-12y=te²t

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Q: Consider the function y=x2−3x−8. Using the values x=−5 and △ x = 0.4, calculate △ y−dy. Round your…

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Q: Determine whether the infinite series converges absolutely or conditionally. 36) 2 (¹)"_7_ MEI 20+9

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