若x>0,则(2x^1⼀4+3^3⼀2)(2x^1⼀4-3^3⼀2)-4x^-1⼀2*(x-x^1⼀2)=?

2025-01-06 02:40:42
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回答1:

解:原式=(2x^1/4)^2 - (3^3/2)^2 - 4x^1/2 + 4 =4x^1/2-3^3-4x^1/2+4 = -27+4 = -23