can smone explain why is it so??? I have marked question mark on that line which m not getting
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Anonymous:
hc verma
Yup
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I don't know all the concept about your questions but displacement means substitute or replacing!!!
I was asking abt the last line not that displacement word
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sorry for late answering ..
we. use triangle rule of vector ....
that's why....it was written
Thanks
hmm
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