Algebra Archive: Questions from April 13, 2022
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1 answer
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Choose the equation for the graph. A. y = 111 - 5 B. y = 2x + 5 C. y = 2xl - 5 D. y = || + 5 E. y = 11 - 23 answers -
3) Solve the following non-homogenous differential equation: a) y" + 4y' + 5y = 7x +3, y(0) = 2, y'(0) = 4 b) 4y" - 4y' + y = 7e* c) y" + 3y' - 28y = 3 cos x + 5 sin x i. y" - 2y' - 15y = e-ox ii. y"1 answer -
1 answer
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3. Derivada direccional nula ¿En qué dirección se anula la derivada de f(x, y) = (x2 - y2)/(x2 + y2) en P(1, 1)?1 answer -
Simplify the following expressions
1. simplifique las siguientes expresiones: (a) [((AD)'+B)'(AD)]+(B°C)+C (b) [((AD)'+B)(A'D)'1+(BC)+C (c) [(CD)'+A]'+CD+A'B' (d) (w'+x+z)+(w'+x+z)+(w+y'+z)(x'+y)' (e) [(a+(a'+b)')+(b'+(a'+b))'] (f) (A1 answer -
Simplify the following expressions
2. simplifique las siguientes expresiones: (a) f(W, X, Y, Z) = X + XYZ + XYZ + WX + wă + XY (b) f(A, B, C, D) = (AB+C + D)(C+D)(C+D+E) (c) f(x, Y, Z) = YZĪZ + ZX) + (x+Z(XY + Xž)1 answer