If A is 3 x 4 matrix and B is a matrix such
that A'B and B'A are both defined, then B
is of type
a.)3 x 4
b.)4x4
c.)4x3
d.) 3x3
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Answered by
19
Answer:
and are defined. So, the number of columns in A' should be equal to the number of rows in B for A'B. Also, the number of columns in B should be equal to number of rows in A' for BA'.
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3
Answer:
(i) Environmental aspects must be carefully looked into before building
huge dams.
(11) Most industries are concentrated around coal mines.
(1) Petroleum is referred to as “black gold”.
(iv) Quarrying can become a major environmental concern.
Distinguish between the followings.
(i) Conventional and non conventional sources of energy
(ii) Biogas and natural gas
(iii) Ferrous and nonferrous minerals
(iv) Metallic and nonmetallic minerals
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