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Марта123321
@Марта123321
July 2022
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Решите пожалуйста 4.29(4) и 4.30
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4.29.4) √(64^2 - 2*64*36 + 36^2) = √(64 - 36)^2 = 64 - 36 = 28
4.30.
1) 2 < √5 < 3, поэтому
√(2 - √5)^2 + √(3 - √5)^2 = √5 - 2 + 3 - √5 = -2 + 3 = 1
2) 1 < √3 < 2, поэтому
√(√3 - 1)^2 + √(√3 - 2)^2 = √3 - 1 + 2 - √3 = -1 + 2 = 1
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Answers & Comments
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4.29.4) √(64^2 - 2*64*36 + 36^2) = √(64 - 36)^2 = 64 - 36 = 284.30.
1) 2 < √5 < 3, поэтому
√(2 - √5)^2 + √(3 - √5)^2 = √5 - 2 + 3 - √5 = -2 + 3 = 1
2) 1 < √3 < 2, поэтому
√(√3 - 1)^2 + √(√3 - 2)^2 = √3 - 1 + 2 - √3 = -1 + 2 = 1