求下列函数的导数,求万能的大神帮忙😭 100
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(2) y'=[2x·√x-x²/(2√x)]/x
=2√x-x/(2√x)
=2√x -√x/2
(4) y'=[1×(2-x²)-(1+x)·(-2x)]/(2-x²)²
=(x-x²+2x+2x²)/(2-x²)²
=(x²+3x)/(2-x²)²
(6)y'=10x^9 +2x/(1+x²)
(8)y'=2x·√(1-x)+x²·1/[2√(1-x)] ·(-1)
=2x√(1-x)-x²/[2√(1-x)]
(10)y'=3(x²-5)²·2x+4(x²-5)·2x
=6x(x²-5)²+8x(x²-5)
=2√x-x/(2√x)
=2√x -√x/2
(4) y'=[1×(2-x²)-(1+x)·(-2x)]/(2-x²)²
=(x-x²+2x+2x²)/(2-x²)²
=(x²+3x)/(2-x²)²
(6)y'=10x^9 +2x/(1+x²)
(8)y'=2x·√(1-x)+x²·1/[2√(1-x)] ·(-1)
=2x√(1-x)-x²/[2√(1-x)]
(10)y'=3(x²-5)²·2x+4(x²-5)·2x
=6x(x²-5)²+8x(x²-5)
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