Physics, asked by mashal, 1 year ago

if A= 2i-3j and B=1i-2j then A-2B=?

Answers

Answered by AbhinithBakshi

1

2B = 2i-4j
A - 2B = 2i-3j-2i+4j
Therefore the answer is +j

mashal: in our book they mark the answer -1j

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