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Molodets [167]
3 years ago
8

Suppose that A, B, and C are invertible matrices of the same

Mathematics
1 answer:
STALIN [3.7K]3 years ago
8 0

Answer:

Step-by-step explanation:

Given that t A, B, and C are invertible matrices of the same

size.

To pr that (ABC)^{-1} = C^{-1}B^{-1}A^{-1}.

to pr that  ( ABC) (C^{-1}B^{-1}A^{-1})=e

LS=( AB(C (C^{-1})B^{-1}A^{-1})\\=ABIB^{-1}A^{-1})\\=A(BB^{-1})A^{-1})\\=AA^{-1})\\=I

Thus proved

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37/45

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R + 3 1/2 = -4 2/3
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R = -8 1/6

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A map has a scale of 1m represents 2 km. write this scale as a ratio in its simplest form
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