Question

Evalute:
$(5 - \sqrt{3})^{2}$

Answer 1

5^2+(√3)^2-2×5×√3
25+3-10√3
28-10√3
2(14-5√3)
is your answer

Answer 2

We know,(a - b)^2 = a^2 + b^2 - 2ab

=======================

(5 - √3)^2

⇒ (5)^2 + (√3)^2 - 2(5×√3)

⇒ 25 + 3 - 2(5√3)

⇒ 28 - 10√3 


i hope this will help you

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