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please help me......
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Step-by-step explanation:
First factorize the denominator
(√2/√5+2×√5-2/√5-2 ) - (2/√10-2√2×√10+2√2/√10+2√2) + ( 8/√2× √2/√2)
(√10-2√2/5-4 )-( 2√10+4√2/10-8)+( 8√2/2)
√10-2√2-2√10+4√2 /2 + 8√2/2
2√10-4√2 - 2√10 + 4√2 + 8√2 /2
8√2/2
= 4√2