Hi guys,

I'm stuck with a problem which is, I believe, simple, but I can't solve it by myself.

So, I have 4 vectors a,b,c,d that are linearly independent. I am supposed to check whether the following vectors are dependent or independent:

a1 = a+2c+d

b1 = 2a-b+c

c1 = a+c+d

Thank you in advance.

I'm stuck with a problem which is, I believe, simple, but I can't solve it by myself.

So, I have 4 vectors a,b,c,d that are linearly independent. I am supposed to check whether the following vectors are dependent or independent:

a1 = a+2c+d

b1 = 2a-b+c

c1 = a+c+d

Thank you in advance.

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