Q. 1 N4.1( 8 Votes )

# Using differentia

Answer :

Consider y =

Let x = 4 and Δx = -0.032. Then, we get

Δy =

=

⇒ = Δy + 8

Now, dy is approximately equal to Δy and is given by:

dy =

= 3(-0.032)

= -0.096

Therefore, the approximate value of is 7.904.

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