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![If A^(-1) = [(3,-1,1),(-15,6,-5),(5,-2,2)] Abd B = [(1,2,-2),(-1,3,0),(0,-2, 1)] Find (Ab)^(-1) - Mathematics | Shaalaa.com If A^(-1) = [(3,-1,1),(-15,6,-5),(5,-2,2)] Abd B = [(1,2,-2),(-1,3,0),(0,-2, 1)] Find (Ab)^(-1) - Mathematics | Shaalaa.com](https://www.shaalaa.com/images/_4:90c9093cbd2449c585ce78b35a39cb20.png)
If A^(-1) = [(3,-1,1),(-15,6,-5),(5,-2,2)] Abd B = [(1,2,-2),(-1,3,0),(0,-2, 1)] Find (Ab)^(-1) - Mathematics | Shaalaa.com
![trigonometry - Solve equation $\cos (a)\cos(b)\cos(a+b) = -\frac18$ over $0 < a,b < \frac\pi2$ - Mathematics Stack Exchange trigonometry - Solve equation $\cos (a)\cos(b)\cos(a+b) = -\frac18$ over $0 < a,b < \frac\pi2$ - Mathematics Stack Exchange](https://i.stack.imgur.com/NtVSx.jpg)
trigonometry - Solve equation $\cos (a)\cos(b)\cos(a+b) = -\frac18$ over $0 < a,b < \frac\pi2$ - Mathematics Stack Exchange
![Using vectors, find the area of Δ ABC whose vertices are A(3, - 1, 2), B(1, - 1, - 3) and C(4, - 3, 1) . Using vectors, find the area of Δ ABC whose vertices are A(3, - 1, 2), B(1, - 1, - 3) and C(4, - 3, 1) .](https://haygot.s3.amazonaws.com/questions/1540214_1707301_ans_4c1f9db0d75d43578c85b27be0eeb2a3.jpeg)
Using vectors, find the area of Δ ABC whose vertices are A(3, - 1, 2), B(1, - 1, - 3) and C(4, - 3, 1) .
![If `A : B=1/2:1/3n a\ d B : C=1/2:1/3,\ t h e n\ A : B : C`is equal to`1:2:6`b. `3:2:6`c. `2:3:3`d. - YouTube If `A : B=1/2:1/3n a\ d B : C=1/2:1/3,\ t h e n\ A : B : C`is equal to`1:2:6`b. `3:2:6`c. `2:3:3`d. - YouTube](https://i.ytimg.com/vi/MFMC112cmHA/maxresdefault.jpg)