if ā=2i+2j-3k,b=5i+5j+4k and c=3i-2j+k then find 3ā+2b-3c.
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Step-by-step explanation:
3a+2b-3c=6i+6j-9k+10i+10j+8k-9i-6j+3k. = 7i+10j+2k
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