If [ [ 1 , 4 ] , [ 2 , 0 ] ] = [ [ x ,...

If `[ [ 1 , 4 ] , [ 2 , 0 ] ]` = `[ [ x , y^2 ] , [ z , 0 ] ]` , y<0 , then find the value of x - y + z is equal to
( a ) 5
( b ) 2
( c ) 1
( d ) -3

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