11 Reasons to Become Race Literate: A pocket guide to a new conversation

11 Reasons to Become Race Literate: A pocket guide to a new conversation

Matematika bantu jawab ya, terimakasih ​

bantu jawab ya, terimakasih ​

Penjelasan dengan langkah-langkah:

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Gunakan rumus

[tex]\boxed{\sf (a - b)(a + b) = a^2 - b^2}[/tex]

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→ Penyelesaian

[tex]\tt (5 - 2\sqrt{3})(5 + 2\sqrt{3})[/tex]

[tex]= \tt 5^2 - (2\sqrt{3})^2[/tex]

[tex]= \tt 25 - 2^2 \times \sqrt{3}\sqrt{3}[/tex]

[tex]= \tt 25 - 4 \times 3[/tex]

[tex]= \tt 25 - 12[/tex]

[tex]= \tt 13[/tex]

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