: Which of the following sets are closed under addition? (1) The set of all matrices in M22 such that AT = A. (11) The set of all vectors u in R such that u + (9, 6, 7) = (0, 0,0). (111) The set of all polynomials a+ bx + cx in P2 such that ab = 7c. %3D (A) (1) and (ii) only (B) none of them (C) (i1) only (D) (iii) only (E) (1) and (i1) only (F) () only (G) all of them (H) (11) and (ii) only

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Q: Activity Solve the initial-value problem 1. y" - 3y' – 10y = 0 , y(0) = 0 , y'(0) = 7. 2. y" + 14y' ...

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Q: 3. Find the derivatives of y with respect t x: a) y = xe* – e* %3D b)' y = e(tx+) c) y = e*(sin x + ...

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A: Use the given graph to evaluate the slope.

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A: Correct ans is option C

Q: Give

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A: This is the problem of Reimann sum.

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Q: D. Find Az) = u(x, y) + iv(x, y) with u as given. Check for analyticity. (a) u= x/(x² + y³)

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Q: Use the Comparison Test to determine if the series 2+ In n n sin? n n=1 converges or diverges.

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Q: Let R be the planar region bounded by x=y^2 and y=x - 2. a. Draw R. b. Set up iterated integrals, us...

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Q: 1 (iv) f(x) on [-}, 1]. x* + x + 1 x + 1 (v) f(x) on [-1, }). x? + 1 (vi) f(x) on [0, 5]. x? - 1

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A: Use the given information.

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Q: (-) Let bn and c, = cOS for all n EN such that n 2 2. Determine whether the = COS п given series con...

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Q: 3. Consider the linear transformations T : R² → R² and S: R? → R² defined by 7 (E)-E :(E)-L] [2x2 X2...

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Q: 16x? 36y? = 1

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