Jawaban 1731130049 Muhammad Dhomanhuri Malik Illyas
Jawaban Soal 1
A+B = (6i+4j)+(3i-5j)=9i-j
|A+B| =
= 
Jawaban Soal 2
a. A.(B+C)
(B+C)=2i+4j+3k+4i+2j
=10i-k
A.(B+C)=(2i+4j+3k).(10i-k)
=20+3
=23
b.Ax(B+C)=(2i+4j+3k)x(10i-k)
=0+2j-40k-4i+30j+0
=32j-40k-4j
A+B = (6i+4j)+(3i-5j)=9i-j
|A+B| =
= Jawaban Soal 2
a. A.(B+C)
(B+C)=2i+4j+3k+4i+2j
=10i-k
A.(B+C)=(2i+4j+3k).(10i-k)
=20+3
=23
b.Ax(B+C)=(2i+4j+3k)x(10i-k)
=0+2j-40k-4i+30j+0
=32j-40k-4j