class 11 question cbse board
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Answer:
5%
Explanation:
multiply the powers to percentage error and then add them
% error in z = (1/2 x % error in A ) + (2/3 x % error in B) + ( 1 x % error in C) + (1/4 x % error in D)
= (1/2 x 2) + (2/3 x 3) + (1 x 1) +(1/4 x 4)
= 1 + 2 + 1 + 1
5
% error in Z = 5%
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