Question

. Use the vectors v = -i +2j and w= -3i + 4j to find 5v + 8w.
O-29i+42j
O 10i-16j
O-4i + 7j
O2i+ 6j

Answer 1

• 5v+8w

put values

• 5(-i+2j)+8(-3i+4j)

Do like you do algebraic addition

• -5i+10j-24i+32j
• -5i-24i+10j+32j
• -29i+42j

Option A