vivianagonzales530 vivianagonzales530

08-10-2021
Mathematics

contestada

si a+b = 40; ab= 40 calcula a2 + b2

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Anonimity Anonimity

08-10-2021

a² + b² = 1,520

Step-by-step explanation:

a + b = 40
ab = 40

a² + b²

= (a + b)² - 2ab

= 40² - 2(40)

= 1,600 - 80

= 1,520

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