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Find relative error if y = (m g l^3)/(4 ...

Find relative error if `y = (m g l^3)/(4 b d^3 delta)` and l = 1m, `delta(l) =1 cm, m = 2kg ` `Delta(m) = 1g`, `delta = 5 mm`, `Delta(delta) = 0.1mm`, b= 4cm, `Delta(b) = 1mm, `d = 0.4 cm`, ``Delta(d) = 0.1mm` and g is errorless

A

0.15

B

0.0155

C

0.83

D

0.2

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