Aadoreity semnyum nya manis kayak tebuu
s² - 961 = (s+a)(s-a)
Nilai a = ?
jawaban pertama = beA
jawaban benar = beA
s² - 961 = (s+a)(s-a)
Nilai a = ?
jawaban pertama = beA
jawaban benar = beA
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s² - 961 = (s+a)(s-a)
s² - 961 = s ( s - a ) + a ( s - a )
s² - 961 = s² - as + as - a²
s² - 961 = s² - a²
-961 = -a²
a² = 961
a = √961
a = 31
Penjelasan dengan langkah-langkah:
s² - 961 = (s+a)(s-a)
√961 = √31² = ± 31
s² - 961 = s² - 31²
(s + 31)(s-31)
a = 31
semoga membantu