jika (a + 65 )2 = 15 625 maka (a + 55 ) (a + 75 )= .....
Matematika
disak2
Pertanyaan
jika (a + 65 )2 = 15 625 maka (a + 55 ) (a + 75 )= .....
1 Jawaban
-
1. Jawaban FanjiWildanu
(a+65)2=15625
2a+130=15625
2a=15625-130
a=15495/2
a=7747.5
selebihnya itung sendiri :)