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Ede4ka [16]
4 years ago
13

Which of these numbers is a prime number 1,11,21,51

Mathematics
1 answer:
Vlad [161]4 years ago
3 0
Im pretty sure its 11
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Step-by-step explanation:

y = -3x² + mx + 10

dy/dx = -6x + m.

When dy/dx = 0, -6x + m = 0. => x = m/6.

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