Question

write the vector V=1, 7,-4 as s linear combination of vector V1=(1, -3, 2) and V2(2, -1, 1)​

Answer 1

Step-by-step explanation:

(1,7,-4) = a(1,-3,2) + b(2,-1,1) = ( a+2b , -3a-b , 2a+b)

Comparing,

a+2b =1

-3a-b = 7

2a+ b = -4

Solve for a and b and you will get your answer.