(1) x-3y=2 (2) 3x+2=y( 3) 4x+2=y+3 (4) x+y=0 solve this equation please joh isse solve karega main use brain list answers kar dungi paka 1 time try it but questions full explanation hona chahiye ok
Answers
Answer:
+3Y=[
2
4
3
0
] 3X+2Y=[
2
−1
−2
5
]
→ let Assume [
2
4
3
0
] = A
[
2
−1
−2
5
] = B
→2x+3y=A __ (i)
3x+2y=B __ (ii)
→ multiple equation (i) with 2 & equation (ii) with (3)
4x+6y=2A
9x+6y=3B
________________
−5x=2A−3B
∴x=
5
−1
[2A−3B]
∴x=
5
3B
−
5
2A
=
5
3
[
2
−1
−2
5
]−
5
2
[
2
4
3
0
]
=[
6/5
−3/5
−6/5
3
]−[
4/5
8/5
6/5
0
]
=[
6/5
−3/5
−4/5
−8/5
−4/5
3
−6/5
−0
]
∴x=[
1/5
−11/5
−12/5
3
]
→ value of x put in equation (i)
∴[
2/5
−22/5
−24/5
6
]+3y=[
2
4
3
0
]
∴3y=[
2−2/5
4+22/5
3+24/5
0−6
]=[
8/5
42/5
39/5
−6
]
∴y=[
8/15
42/15
39/15
−2
]
solution
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SIMILAR QUESTIONS
star-struck
Find x if [1 x 1]
⎣
⎢
⎢
⎡
1
4
3
2
5
2
3
6
5
⎦
⎥
⎥
⎤
⎣
⎢
⎢
⎡
1
−2
3
⎦
⎥
⎥
⎤
=0
Hard
View solution
>
Let M = [1 -2] and N = [
2
−1
1
2
].
Find