Answer:
Step-by-step explanation:
Given are three vectors in set B.
To show that B is dependent
The determinant
![\left[\begin{array}{ccc}1&0&1\\0&1&2\\2&-1&0\end{array}\right] \\=1(2)-1(2) =0](https://tex.z-dn.net/?f=%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7D1%260%261%5C%5C0%261%262%5C%5C2%26-1%260%5Cend%7Barray%7D%5Cright%5D%20%5C%5C%3D1%282%29-1%282%29%20%3D0)
Hence vectors are dependent
b) The given equation 
Let us try parametrically
These 3 vectors are collinear and hence equation would be
c) Basis for B would be only 2 dimensional
i.e. any two vectors out of 3 form basis
The basis would be (1,0,1) and (0,1,2)
Answer:
y=15
Step-by-step explanation:
Answer:
since 20% is 100
then 80% is 400
Therefore 500 in total to begin with.
18,19 and 20 are the integers.
Step-by-step explanation:
Given three integers are;
n, n+1, n+2
According to given statement;
n+(n+1)+(n+2)=57
n=18
n+1 = 18+1 = 19
n+2 = 18+2 = 20
18,19 and 20 are the integers.
Keywords: Integers, Addition
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