Question

$(1 + \sqrt3) { }^{2} = 4 + 2 \sqrt{3}$

Answer 1

here's your ans hope it helps!

Answer 2

Hey !!

by using (a + b)² = a² + b² + 2ab identity

(1 +√3)² = 1² + (√3)² + 2×1×√3

=> 1+3 +2√3

=> 4 +2√3 RHS prooved

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Hope it helps you !!

.@Rajukumar111