see this image and Please solve this
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Answer:
(2i-j)/√5
Step-by-step explanation:
To find the resultant we simply add as it is given in rectangular form
F = F₁+F₂+F₃+F₄
=2i + 3j - 5k - 5i + 1j +3k +i - 2j +4k + 4i - 3j - 2k
=2i - j
Required Unit vector = vector/vector magnitude
=(2i-j)/√5
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