An experiment measures quantities a,b,c and then yis calculated as y= (ab^2)/(c^3) .The percentage errors in a.b.c are pm 1% , pm 3% and pm2% respectively. What is the percentage error in y?

An experiment measures quantities a,b,c and then yis calculated as y=

1.	An experiment measures quantities a,b,c and then yis calculated as y= (ab^2)/(c^3) .The percentage errors in a.b.c are pm 1% , pm 3% and pm2% respectively. What is the percentage error in y?
Answer» `PM 13%` `pm 7%` `pm 4%` `pm 1%` ANSWER :A