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Write down the magnitude of each of the following vectors : (i) `veca = hati + 2hatj + 5hatk` ,
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Write down the magnitude of each of the following vectors : (i) `veca = hati + 2hatj + 5hatk` , (ii) `vecb = 5hati - 4hatj - 3hatk` (iii) `vecc = (1/(sqrt(3))hati - (1)/(sqrt(3)) hatj + 1/(sqrt(3))hatk)` , (iv) `vecd = (sqrt(2)hati + sqrt(3)hatj - sqrt(5) hatk)`
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