Penjelasan dengan langkah-langkah:
Diketahui :
a + b = 20
ab = 50
Hasil a² + b²
(a + b)² - 2ab
20² - 2(50)
400 - 100
300
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Penjelasan dengan langkah-langkah:
Diketahui :
a + b = 20
ab = 50
Hasil a² + b²
(a + b)² - 2ab
20² - 2(50)
400 - 100
300