14. find a and b if a+b= [5/0 2/9] and a-b = [3/0 6/-1]
Answers
Answer:
Step-by-step explanation:
2A+3B=[
2
3
−1
2
4
5
] …………(1)
A+2B=[
5
1
0
6
3
2
] ………….(2)
2× Equation (2) - Equation (1)
⇒2A+4B−2A−3B=[
10−2
2−3
0+1
12−2
6−4
4−5
]
⇒B=[
8
−1
1
10
2
−1
].
solution
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