Question

if a is equal to 2 + root 5 and b is equal to 1 by a find a square + b square

Answer 1

Answer:

2(5+2√5)

Step-by-step explanation:a=2+√5

b=1

a²+b²=(2+√5)²+1²

=4+5+4√5+1

=10+4√5

=2(5+2√5)