If 3 {A}+4 {B}'=[\table 7 , -10 ,17 ;0 , 6 , 31 ] and 2 {B}-3 {A}'=[\table -1 ,18;4 , 0 ; -5, -7 ] then {B}=?

Correct Answer is : [13−1124]

UPSC NDA Math Model Paper 4

Question : 64 of 120

Marks: +1, -0

If 3A+4B′=[

7	−10	17
0	6	31

] and 2B−3A′=[

] then B=?

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