Question

simplify (√3+√7)^2 answer​

Answer 1

Answer:

10 + 2√21

Step-by-step explanation:

=(√3 +√7)^2

=(√3)^2 + (√7)^2 + 2× √3×√7

=3 + 7 + 2√21

=10 + 2√21

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Answer 2

Step-by-step explanation:

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

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

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

$\sqrt{9} + \sqrt{21} + \sqrt{21} + \sqrt{49}$

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