Algebra Archive: Questions from March 24, 2023
-
(b) \( f(x, y)=\cos (x+y), \quad P(0, \pi), \quad Q\left(\frac{\pi}{2}, 0\right) \). (c) \( f(x, y)=e^{x} \sin x, \quad P(0,0), \quad Q(2,1) \)0 answers -
2. Solve for \( x, y, z \), \[ \begin{aligned} x y-2 \sqrt{y}+3 z y & =8 \\ 2 x y-3 \sqrt{y}+2 z y & =7 \\ -x y+\sqrt{y}+2 z y & =4 . \end{aligned} \]2 answers -
2 answers
-
2 answers
-
2 answers
-
1. Si las matrices A y B están definidas como: \[ A=\left[\begin{array}{rr} 1 & -1 \\ 4 & 3 \\ 2 & 5 \end{array}\right], B=\left[\begin{array}{rr} 0 & 3 \\ 2 & 0 \\ -4 & 1 \end{array}\right] \] Halle2 answers -
2 answers
-
0 answers
-
2 answers
-
2 answers
-
0 answers