Ques 3 could you show me the workings of this matres?

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1 Answer
Mar 8, 2018

Answer:

#a=-9#

Explanation:

#"element a in matrix AB is a result of multiplying the "#
#"elements in row 2 of matrix A with the corresponding"#
#"elements in column 2 of matrix B"#

#"that is "#

#((-6,-3,0))((6),(-9),(-8))#

#=(-6xx6)+(-3xx-9)+(0xx-8)#

#=-36+27+0=-9#