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