Calculus Examples

$\frac{{3.9}^{2} - 16}{3.9 - 4}$

Step 1

Simplify the numerator.

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Step 1.1

Raise $3.9$ to the power of $2$ .

$\frac{15.21 - 16}{3.9 - 4}$

Step 1.2

Subtract $16$ from $15.21$ .

$\frac{- 0.79}{3.9 - 4}$

$\frac{- 0.79}{3.9 - 4}$

Step 2

Simplify the expression.

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Step 2.1

Subtract $4$ from $3.9$ .

$\frac{- 0.79}{- 0.1}$

Step 2.2

Divide $- 0.79$ by $- 0.1$ .

$7.9$

$7.9$

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$