(n-1)square-n square
Answers
Answered by
0
Answer:
1-2n
Step-by-step explanation:
n^2+1-2n-n^2
=1-2n
Answered by
1
(n - 1)² - n²
⇒ n² + 1 - 2n - n²
⇒ 1 - 2n
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