KillerSteamcar
13.07.2020 •
Mathematics
Rationalise this please........
it's verey imp to me....
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Ответ:
Step-by-step explanation:
i) root3 + root5 × 2root5 / 2root5 × 2root5
= 2root15 + 10 / 20
ii) root3 - root7 × root3 - root7 / root3 + root7 × root3 - root7
= 3 - 2root21 + 7 / 3 - 7
= 10 - 2root21 / -4
= -10 - 2root21 / 4
iii) root2 + root7 × 2root2 + root3 / 2root2 - root3 × 2root2 + root3
= 4 + 2root14 + root6 + root21 / 8 - 3
= 4 + 2root14 + root6 + root21 / 5
Ответ:
15 feet by 12 feet or 10 feet by 18 feet
Step-by-step explanation: