AnonymousLizard52303
23.04.2021 •
Mathematics
Perfect squares are always numbers
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Ответ:
Ответ:
Answer : 2..A perfect square is an integer which is the square of another integer n , that is, n2 . (Since a negative times a negative is positive, a perfect square is always positive.
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Ответ:
2a2 + 4a + 7
Step-by-step explanation:
As, - (2a3 - 3a2 + 4a + 6) + (2a3 + 5a2 + 7)
= 2a2 + 4a + 13