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数学
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已知实数a,b分别满足a²-6a+4=0,b²-6b+4=0,则b/a +a/b的值是多少?(求过)
人气:221 ℃ 时间:2020-05-27 06:09:45
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已知实数a,b分别满足a2-6a+4=0,b2-6b+4=0,且a≠b,则ba+ab的值是( ) A.7 B.-7 C.11 D.-11
已知实数a,b分别满足a²–6a+4=0,b²–6b+4=0,且a≠b,则b/a+a/b的值是多少? 能不能帮帮我呀?我都纠结了一下午了!
已知实数a,b分别满足a2-6a+4=0,b2-6b+4=0,且a≠b,则ba+ab的值是( ) A.7 B.-7 C.11 D.-11
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