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Byju's Answer
Standard XII
Mathematics
Addition and Subtraction of a Matrix
If A = [ 2...
Question
If
A
=
[
2
5
]
,
B
=
[
1
4
]
a
n
d
C
=
[
6
−
2
]
A
+
B
−
C
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Solution
A
+
B
+
C
=
[
2
5
]
+
[
1
4
]
−
[
6
−
2
]
=
[
2
+
1
−
6
5
+
4
+
2
]
=
[
−
3
11
]
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0
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Q.
If
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show that
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[2 marks]
Q.
If a+b+c=6, a^2+b^2+c^2=14, a^3+b^3+c^3=36, find abc
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Standard XII Mathematics
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