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A=3i+4j, b=5i+4j. find a+b



User Ray Garner
by
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2 Answers

3 votes

Answer:

Explanation:

we have :

a=3i+4j

b=5i+4i

so that : a+b=3i+4j+5i+4j

=(3i+5i)+(4j+4j)

so a+b=8i+8j=8(i+j)

User Vsplit
by
6.1k points
1 vote

Answer:

8i+8j

Explanation:

3i+4j+5i+4j

i(3+5) + j(4+4)

Therefore 8i +8j

HAPPY TO HELP YOU

User Makoshichi
by
6.7k points