Q6 of 292 Page 469

Using differentials, find the approximate values of:

Find the approximate values of


Let .


Let x =16 and Δx = 1.


As


⇒


We, know


⇒


∴


⇒


⇒


∴ Δy = -0.03125


Also,


Δy = f(x+Δx)-f(x)


∴


⇒


⇒


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