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in Number System by (56.3k points)

Simplify:

(√3 + √7)2

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Best answer

(√3 + √7)2 

= (√3)2 + (√7)2 + 2(√3)( √7)  [(a + b)2 = a2 + b2 + 2ab]

= 3 + 7 + 2√21 

= 10 + 2√21

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