Write a related subtraction fact for 9 + 3 = 12. Explain how the two facts are related.
1 answer:
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By definition we have to:
In mathematics, the inverse multiplicative, reciprocal or inverse of a non-zero number x, is the number, denoted as 1/x or x -1, which multiplied by x gives 1.
We have then:
1) i
The multiplicative inverse is:
Rewriting we have:
Answer 3) -i
2) i^2
The multiplicative inverse is:
Rewriting we have:
Answer 4) -1
3) i^3
The multiplicative inverse is:
Rewriting we have:
Answer 1) i
4) i^4
The multiplicative inverse is:
Rewriting we have:
Answer 2) 1