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If (hati + hatj + 3 hatk) x + ( 3 hati -...

If `(hati + hatj + 3 hatk) x + ( 3 hati - 3 hatj + hatk) y + ( - 4 hati + 5 hatj + 0 hatk) z`
`= lamda ( x hati + y hatj + z hatk) ` where
`(x,y,z) ne (0,0,0).` Find how many values of `lamda` exists.

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