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Mathematics
Mathematics
Problem
For matrices
A
A
A
and
B
B
B
of the same order, if
3
(
A
−
2
B
)
+
4
B
=
5
A
3(A-2B)+4B=5A
3
(
A
−
2
B
)
+
4
B
=
5
A
, then
B
B
B
equals a)
A
A
A
b)
−
A
2
-\dfrac{A}{2}
−
2
A
c)
−
A
-A
−
A
d)
A
2
\dfrac{A}{2}
2
A
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