25^2 = 4b^2 + 3b^2. berapakah nilai b?
Matematika
clar5
Pertanyaan
25^2 = 4b^2 + 3b^2. berapakah nilai b?
1 Jawaban
-
1. Jawaban eripane05
Aljabar
25^2 = 4b^2 + 2b^2
625 = 7b^2
b^2 = 625/7
b = 25/√7
b = (25/7) √7