Question

simplify (√3+√7)2
please ​

Answer 1

Answer:

$10 + 2 \sqrt{21} \:$

Step-by-step explanation:

${( \sqrt{3} + \sqrt{7} ) }^{2}$

Since,

${( \sqrt{a} + \sqrt{b} )}^{2} = a + 2 \sqrt{ab} + b$

Hence,

$= 3 + 2 \sqrt{3 \times 7} + 7$

$= 10 + 2 \sqrt{21} \: (ans)$