Breaking News

Tentukan |AB|,jika A(2,-3,1)dan B(-1,-3,5)

Tentukan |AB|,jika A(2,-3,1)dan B(-1,-3,5)

Jawabannya adalah 5.

Pembahasan :
|AB|
= √((xB-xA)² + (yB-yA)² + (zB-zA)²)
= √((-1-2)² + (-3-(-3))² + (5-1)²)
= √((-3)² + 0² + 4²)
= √(9+0+16)
= √25
= 5

Jadi, |AB| = 5.

Baca Juga :  Beni: What's wrong with your eyes? Sam: My eyes ______ by a b a l l this morning. Don't laugh! The correct verb to complete the sentence is ........