Question

(√3+11)^2 + (√3-11)^2​

Answer 1

Answer:

248

Step-by-step explanation:

${( \sqrt{3} + 11) }^{2} + {( \sqrt{3} - 11) }^{2}$

$= 3 + 121 + 22 \sqrt{3} + 3 + 121 - 22 \sqrt{3}$

$= 2 \times (3 + 121)$

$= 2 \times 124$

$= 248$

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