BeautyxQueen
29.11.2020 •
Mathematics
Answer needs to be in rational for, do not use mixed numbers.
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Ответ:
Step-by-step explanation:
You can't get a rational result. √2 does not go away.
√98 = √(49 * 2) = √7 * 7 * 2 = 7√2
6*√72 = 6 * √(2 * 2 * 2 * 3*3) = 6 * 2 * 3 √2 = 36√2
1/2 * 7√2 - 6*6*√2
√2 (3.5 - 36)
√2 * (-32.5) or
-32.5 * √2
Ответ: