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Verified answer
A dan b bilangan bulat berurutana , b ---> a , a + 1
a² + b² = 61
Langsung terpikir 5 dan 6 :)
dengan cara :
a² + (a + 1)² = 61
2a² + 2a + 1 - 61 = 0
a² + a - 30 = 0
(a + 6)(a - 5) = 0
a = 5 (positif)
b = a + 1 = 6
a + b = 5 + 6 = 11