函數y=(log(1/2)x)^2+log(1/2)x+1的單調遞增區間
題目:
函數y=(log(1/2)x)^2+log(1/2)x+1的單調遞增區間
解答:
令t=log(1/2)x,y=(t+1/2)^2+3/4,t爲減函數,由題求y=(t+1/2)^2+3/4減區間即可,即t√2
題目:
函數y=(log(1/2)x)^2+log(1/2)x+1的單調遞增區間
解答:
令t=log(1/2)x,y=(t+1/2)^2+3/4,t爲減函數,由題求y=(t+1/2)^2+3/4減區間即可,即t√2
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