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14-04-2018
Mathematics
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WILL GIVE BRAINLIEST PLEASE HELP
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Professor1994
Professor1994
15-04-2018
sqrt(20)+sqrt(45)-sqrt(5)=sqrt(4*5)+sqrt(9*5)-sqrt(5)
sqrt(20)+sqrt(45)-sqrt(5)=sqrt(4)*sqrt(5)+sqrt(9)*sqrt(5)-sqrt(5)
sqrt(20)+sqrt(45)-sqrt(5)=2*sqrt(5)+3*sqrt(5)-sqrt(5)
sqrt(20)+sqrt(45)-sqrt(5)=4*sqrt(5)
Answer: Third option 4 sqrt(5)
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