jika x= (19+26)² -(19² +26²) maka nilai x adlah
Matematika
endangsriwahyun1
Pertanyaan
jika x= (19+26)² -(19² +26²) maka nilai x adlah
2 Jawaban
-
1. Jawaban eripane05
misal
19 = a
26 = b
maka
x = (a+b)² - (a²+b²)
= a² + b² + 2ab - a² - b²
= 2ab
maka
x = 2(19)(26)
= 988 -
2. Jawaban utasafa22
= (19+26)² -(19² +26²)
= 45² - (361 + 676)
= 2025 - 1037
= 988