#Matrices

16 messages · Page 1 of 1 (latest)

jagged anvil Oct 6, 2024, 10:41 AM

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find det(X) in terms of A

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add both X and X^-1

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set it equal to identity

coarse mantle Oct 6, 2024, 10:44 AM

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how u meant to add two matrices

jagged anvil Oct 6, 2024, 10:45 AM

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add them how youd think youd add them

coarse mantle Oct 6, 2024, 10:49 AM

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alr

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got it

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@jagged anvil can u help me w this question

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jagged anvil Oct 6, 2024, 11:06 AM

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it’s js simulatenous equations

coarse mantle Oct 6, 2024, 11:07 AM

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how do u do it

jagged anvil Oct 6, 2024, 12:00 PM

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solve it

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like simplify it

swift spruce Oct 6, 2024, 12:31 PM

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9-3y=0
y=3

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y-3z=0
3-3z=0
z=1

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z-3y=k
1-9=k
k=-8