The pressure on a square plate is measured by measuring the force on the plate and the length of the sides of the plate . If the maximum errors in the measurement of the force and the length are respectively, 4% and 2% , then the maximum error in the measurement of pressure is

A) 1%

b) 2%

c) 6%

d) 8%

A) 1%

b) 2%

c) 6%

d) 8%