Show that the given vectors are Linearly Independent (LD)? ⎝
⎛
​ 1
−1
2
​ ⎠
⎞
​ , ⎝
⎛
​ −2
1
−1
​ ⎠
⎞
​ , ⎝
⎛
​ 3
−2
−1
​ ⎠
⎞
​