Question

As X =a3b2/underoot cd
if percentage errors in the measurement of a, b, c and d are 1%, 2%, 4% and 3% respectively
the maximum error in X will be
(a) 100%
(b) 2%
(c) 13%
(d) 12%​

Answer 1

Error percentage = 3*1 + 2*2 + 1/2*4 + 1/2*3= 10.5%

Plz check your data properly otherwise the method is this.
Process is just that you multiply the exponential index of each term with the given error% for each