Math, asked by yashd5083, 2 months ago

a=i^+4j^ and b=3i^-3j^. find the square of magnitude of + b

Answers

Answered by dhruvibaku

0

Answer:

Let

a=i+2j+3kb=3i+ja+b=i+2j+3k+3i+ja+b=4i+3j+3kSounitvectorinthedirectionofa+b∣∣∣∣a+b∣∣∣∣=42+32+32=16+9+9=34

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