the magnitude of vector A bar= 5 i^ + j^ - 2 k^ is
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1
it is the answer of you question .
yukthareddy:
how
5 Ka square 2ka square and 1ka squre
no but its root 30
are root bhi lele
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3
√5²+1²+(-2)²=√25+1+4=√30=5.4
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