Construct a 3 x 3 matrix whose elements are gi
(iii) a = 2i - 3j
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Step-by-step explanation:
a11 a12 a13
A = a21 a22 a23
a31 a32 a33
given a = 2i - 3j
2(1) -3(1) 2(1) - 3(2) 2(1 ) - 3( 3)
A= 2(2) -3(1) 2( 2) -3(2) 2(2) - 3(3)
2(3) - 3(1) 2(3) - 3(2) 2(3) - 3(3)
-1 -4 -7
= 1 -2 -5
3 0 -3
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