y (b) If f(x, y) = arctan quadratic approximation. x 1 compute an approximate value of f(1.1,0.9) using the Taylor's series

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A: see below the answer

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A:

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A:

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A:

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A:

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A: According to guidelines I solved only question1, repost for other question.

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A:

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A: Given: n, 15=1 and σn=56.To find: σ75n

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A: NOTE: Refresh your page if you can't see any equations. . given vectors are

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A: We know,      n(A U B) = n(A) + n(B) - n(A ∩ B)      => n(B) = n(A U B) + n(A ∩ B) - n(A)