(ܷ
)
3 U
Z 30
(1) U
U
(2) U
U
(1) ِ 緤U U U ( 1 )
() Ȥ log 19-x2
() Lim Sinx-Cosx
xII/4
() ߷ x=aCos O , y = bsin O O U ܐ
() U 跤
fx2-10xy+12y2+5x-16y-3=0 U
U U f
2. ِ
緤U U U ( 1 )
() integrate(1+Sin(x/4))1/2 dx
() y=Sinx/1+Cosx h 緤 dy/dx=1/1+Cosx
() U y=x+2 U ߷ x2+y2=4 ̑U
U 跤U
() U x2+2xySec O +y2=0
3. ِ
緤U U U ( 1 )
() ߷ 跤U dy/dx= (1+y2/1+x2)1/2 U
() (3x/(x-2) (x+1))1/2
dx
() yx=xy dy/dx
() (Cos2(logx))1/2/x dx
4. ِ
緤U U U ( 2 )
() Ȥ f (x) = 1x-21x-2, x<>2 ̈
x=2 U
O, x=2
() integrate 0II xSinx dx
1+Cos2x
() h 緤 U U xCos o+ySin o =p U x2/a2-y2/b2=1 S U U p2=a2Cos2 o- b2sin2o
() U } 跤U
(4, - 10) U (8, 8) U U ⷤ
2x-y=5 U S U
5. ِ
緤U U U ( 2 )
() x(1+y)1/2+ y (1+x)1/2 = 0, h 緤 dy/dx=- (1+x)-2
() ߷ 9y2= x3 U
U 贿 ܐ
UU ѹU U
()
integrate[1/logX-1/(logx)2]
dx
() x d2y/dx2+dy/dx+x=0 U
6. ِ
U U 3
() h U 緤 U ax2+2hxy+by2=0 U lx+my+n=0 mU Ȥ
n2 (h2-ab)1/2/am2-2hlm+bl2 U
() Ȥ (Sinx)
1/3 x h
߷ U
(7). ِ 緤 U U
3
() h integrate 0oo log (x+1/x) dx/1+x2= IIlog2
()}
x2/a2+y2/b2=1
U 贿 ܐ S ̑U
x2+y2= a2+b2 U U
8. ِ
緤 U U
3
() 梷 4x2-4xy+y2-8x-6y+5=0 U U ⷤ
() } x2+y2=16 x- U 2II
U U
U (cU)
淤 U
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U
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1.
U UU U U U cU
U
2. ܃} v SU
3. U ̉ UU U
4. ڢU
U U
U UUU U
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U ן v
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