Answers

  • Brainly User
2015-09-11T23:18:24+05:30
3 (2j+k) -4 (j-2k)(6j+3k)-(4j+8k)
6j-4j =2j
3k-8k=-5k
=2j-5k
0
2015-09-12T15:41:00+05:30
3(2j+k)-4(j-2k)
=6j+3k-4j+8k   (using BODMAS)
=6j-4j+3k+8k    (grouping)
=2j+11k
0