CBSE Class 12 Math 2012 Solved Paper

Question : 3 of 29

Marks: +1, -0

(\table 2,3;5,7)(\table 1,-3;-2,4)

(\table -4,6;-9,x)

, write the value of x.

Solution:

(\table 2,3;5,7)(\table 1,-3;-2,4)

(\table -4,6;-9,13)

⇒

(\table -4,6;-9,x)

(\table -4,6;-9,x)

by equality of matrices
x = 13

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