If you have 1,000 lbs. of plastic resin and need to mix 4% of colorant to it, how much colorant would you need to
1 answer:
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Answer with Step-by-step explanation:
Let F be a field .Suppose and
We have to prove that a has unique multiplicative inverse.
Suppose a has two inverses b and c
Then, where 1 =Multiplicative identity
(cancel a on both sides)
Hence, a has unique multiplicative inverse.