answer correct this question urgent questions for NEET EXAM
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A=2i+j
B=2j-k
C=6i-2k
A-2B+3C
–»2i+j-2(2j-k)+3(6i-2k)
–»2i+j-4j+2k+18i-6k
–»20i-3j-4k
so, OPTION B is correct
B=2j-k
C=6i-2k
A-2B+3C
–»2i+j-2(2j-k)+3(6i-2k)
–»2i+j-4j+2k+18i-6k
–»20i-3j-4k
so, OPTION B is correct
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