Billy has 1 gallon of paint. He is going to pour it into a paint tray that measures 10 inches wide, 14 inches long, and 4 cm dee
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Answer:
See explanation
Step-by-step explanation:
Prove that
1. When we have
- in left part
- in right part
2. Assume that for all following equality is true
3. Prove that for the following equality is true too.
Consider left part:
Consider right part:
We get the same left and right parts, so the equality is true for
By mathematical induction, this equality is true for all n.