Consider the system with a unique solution?

2014-09-18 8:33 pm

The system

-6x + 6y = 4
-18x + ky = 16

has a unique solution if k is not equal to 18.

Find

x = ?

y = ?

回答 (1)

2014-09-18 8:34 pm

If a solution exists, it is not unique.

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