If F = (2x +y?)i + (3y –4x)j, evaluate F•dr around the triangle C of Figure 1, (a) in the indicated direction, (b) opposite to the indicated direction. Ans. (a) – 14/3 (b) 14/3 (1,1) (2,1) (2,0) Fig. 1 Fig. 2

Q: then 7(1 - а)М? + 6(1 - а) Мт %3D ВM?, 7(1 - а)т? + 6(1 — а)Мт %3D Вт?, Subtracting we obtain Y(1 –…

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A: Definition of work:

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Q: (a) Given that f(-1,1) = 4.5, fæ(-1,1) = 0.8, and fy(-1,1) = 1.5, approximate f(-1.2, 1.1).

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Q: 6. Prove: 4 |x – y| 0, then x = y Vx, yER

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