Calculus Examples

${(x^{2} + y^{2})}^{2}$

Step 1

Rewrite ${(x^{2} + y^{2})}^{2}$ as $(x^{2} + y^{2}) (x^{2} + y^{2})$ .

$(x^{2} + y^{2}) (x^{2} + y^{2})$

Step 2

Expand $(x^{2} + y^{2}) (x^{2} + y^{2})$ using the FOIL Method.

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Step 2.1

Apply the distributive property.

$x^{2} (x^{2} + y^{2}) + y^{2} (x^{2} + y^{2})$

Step 2.2

Apply the distributive property.

$x^{2} x^{2} + x^{2} y^{2} + y^{2} (x^{2} + y^{2})$

Step 2.3

Apply the distributive property.

$x^{2} x^{2} + x^{2} y^{2} + y^{2} x^{2} + y^{2} y^{2}$

Step 3

Simplify and combine like terms.

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Step 3.1

Simplify each term.

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Step 3.1.1

Multiply $x^{2}$ by $x^{2}$ by adding the exponents.

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Step 3.1.1.1

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$x^{2 + 2} + x^{2} y^{2} + y^{2} x^{2} + y^{2} y^{2}$

Step 3.1.1.2

Add $2$ and $2$ .

$x^{4} + x^{2} y^{2} + y^{2} x^{2} + y^{2} y^{2}$

Step 3.1.2

Multiply $y^{2}$ by $y^{2}$ by adding the exponents.

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Step 3.1.2.1

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$x^{4} + x^{2} y^{2} + y^{2} x^{2} + y^{2 + 2}$

Step 3.1.2.2

Add $2$ and $2$ .

$x^{4} + x^{2} y^{2} + y^{2} x^{2} + y^{4}$

Step 3.2

Add $x^{2} y^{2}$ and $y^{2} x^{2}$ .

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Step 3.2.1

Reorder $y^{2}$ and $x^{2}$ .

$x^{4} + x^{2} y^{2} + x^{2} y^{2} + y^{4}$

Step 3.2.2

Add $x^{2} y^{2}$ and $x^{2} y^{2}$ .

$x^{4} + 2 x^{2} y^{2} + y^{4}$