How to find unknown values in a matrix?

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Homework Statement


how to find this
ELI2K5K.png


Homework Equations


none

The Attempt at a Solution


determinant??
 
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red1312 said:

Homework Statement


how to find this
ELI2K5K.png


Homework Equations


none

The Attempt at a Solution


determinant??
Yes, expand the determinant. That should give you an equation that may let you solve for combinations of x and y that satisfy the equation... :smile:
 
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berkeman said:
Yes, expand the determinant. That should give you an equation that may let you solve for combinations of x and y that satisfy the equation... :smile:
thanks :)
 
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