please answer the question correctly please don't spam please who first gave the answer correctly without spamming I will him/ her as brainlist and follow you and thank you please please explain with step by step explaining this lesson is from rational numbers please don't spam
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Step-by-step explanation:
1) (3root5/5)²
=(9×5)/25
=45/25
=1.8
2) (root3 + root2)²
=(root3)²+2×root3×root2+(root2)²
=3+2root6+2
=5+2root6
3) (root5-2)²
=(root5)²-2×root5×2+(2)²
=5-4root5+4
=9-4root5
4) (3+2root5)²
=3²+2×3×2root5+(2root5)²
=9+12root5+20
=29+12root5
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