Answer :

  • Answer:

(B) 12

  • Step-by-step explanation:

Hi there !

(a - b)² + (a + b)² = 24

(a² - 2ab + b²) + (a² + 2ab + b²) = 24

a² + a² + b² + b² - 2ab + 2ab = 24

2a² + 2b² = 24 | : 2

a² + b² = 12

Good luck !

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