Question

Write down the value of:
(5+root3)2
​

Answer 1

Answer:

28+10√3

Step-by-step explanation:

(5+√3)²= (5)²+(√3)²+2(5)(√3)= 25+3+10√3÷ 28+10√3

[using identity (a+b)²= a²+b²+2ab]

Hope It Helps :)

Answer 2

Answer:

(a+b)^2 = a^2 + b^2 +2ab

= (5)^2+(√3)^2+2(5)(√3)

= 25 + 3 + 17.3

= 45.3 (approx)

Step-by-step explanation:

Root 3 is irrational square may cancel the root but there is bracket in middle of them.