Question

if a √2 +1 find the value (a-1/2)^2

Answer 1

Step-by-step explanation:

if a= √2+1

(a-1/2)²

a²+1/4-2*a*1/2

a²+1/4-a

(√2+1)²+1/4-(√2+1)

(2+1+2√2)+1/4-√2-1

(3+2√2)+1/4-√2-1

solve it

(3-1+1/4)+(2√2-√2)

(2+1/4)+√2

9/4+√2

(9+4√2)/4 ans