Question

3) a, b, c and d are
measured with percentage error 1%,2%,3% and4% respectively
p=a³b²÷cd​

Answer 1

Explanation:

∆P /P x 100 = 3 x ∆a/a x 100 + 2 x ∆b/b x 100 + ∆c/c x 100 + ∆d /d x 100

= 3 x 1 + 2 x 2 + 3 + 4

= 3 + 4 +3 + 4

= 14 %