Question

In: Math

Use differentials to approximate the value of the expression. Compare your answer with that of a...

Use differentials to approximate the value of the expression. Compare your answer with that of a calculator. (Round your answers to four decimal places.)

3 26

Solutions

Expert Solution

Let's assume that we have,

we can write,

we know that differential approximation of a function y = f(x) at x = a is given by,

we can write,

   ----------------------------------------------------------1)

we have,

Hence,

Put this value in equation 1) we can write,

   -------------------------------------------------2)

we have,

Hence,

Hence,

Put this value in equation 2) we can write,

we have,

Hence we can write,

rounding to 4 decimal places we can say that,

using calculator we can write,

rounding to 4 decimal places we can say that,

which is almost equal as we have found above


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