A=begin{bmatrix}1 & -3&3 1 & 0&-2 end{bmatrix} ,B=begin{bmatrix}-3 &1&2 2 & 5&-3 end{bmatrix} Find 2B?

pedzenekO 2020-12-05 Answered
A=[133102],B=[312253]
Find 2B?
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Expert Answer

Pohanginah
Answered 2020-12-06 Author has 96 answers
Step 1
Given Matrices A and B -
A=[133102],B=[312253]
2B=?
Rule to multiuply a number with matrices,
Let X be a matrix -
X=[abcdef]
Multiplying by m in matix X,
mX=m[abcdef]
mX=[m×am×bm×cm×dm×em×f]
Hence,
2B=2[312253]
2B=[2×(3)2×(1)2×(2)2×(2)2×(5)2×(3)]
2B=[6244106]
Hence,
2B=[6244106]
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