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диана1188
@диана1188
July 2022
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каково значение выражения k2-1 если k значение выражения (x-3)(x-7)/12-(x-7(x-1)/8+(x-1)(x-3)/24.
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Verified answer
K=[2(x-3)(x-7)-3(x-7)(x-1)+(x-1)(x-3)]/24=
=(2x^2-20x+42-3x^2+24x-21+x^2-4x+3)/24=
=(42-21+3)/24=24/24=1
При любом х будет k=1, k^2-1=0
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Verified answer
K=[2(x-3)(x-7)-3(x-7)(x-1)+(x-1)(x-3)]/24==(2x^2-20x+42-3x^2+24x-21+x^2-4x+3)/24=
=(42-21+3)/24=24/24=1
При любом х будет k=1, k^2-1=0