√(87-16√23) - √(39-8√23)...

denat01 @denat01

August 2021 1 8 Report

√(87-16√23) - √(39-8√23)

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армения20171 1)√(87-16√23)=√(64-2*8*√23+(√23)²)=
√(8-√23)²=8-√23
2)√(16-2*4*√23+(√23)²)=
√(4-√23)²=√23-4
3)8-√23+√23-4=4

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