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Verified answer
Jawabkuadratkan kedua ruas
a + √b = (a + √(a² - b) + a -√(a² - b) + 2 √ (a² -(a² - b) / (2)
a + √b = 2a + 2√b /2
a + √b = 2 (a + √b) /2
a + √b = a + √b