If x = y2z2 and y= sin(y+ z), then is equal to: a) 2yz? - 2zy2 + 2yz tan(y + z) b) 2yz - y? + y tan(y + z) c) 2yz + y-y tan(y + z) e) 2yz? +2zy-2yz tan(y + z) )z? - 2yz + 2z tan(y + 2) d) z + 2yz - 2z tan(y + z) a b C d e f
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