A=3i+5j-2k and B= -3j+6k , find vector C such that 2A + 7B +4C=0
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2A+7B+4C=0
2(3i+5j-2k)+7(-3j+6k)=-4C
6i+10j-4k-21j+42k=4C
6i-11j+38k=4C
c=2i-11\4j+19\2k.
I think this right answer
2(3i+5j-2k)+7(-3j+6k)=-4C
6i+10j-4k-21j+42k=4C
6i-11j+38k=4C
c=2i-11\4j+19\2k.
I think this right answer
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