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MTH 209 week 3 individual assigngment

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6.1 #102
-2x-8/x^2+2x-8
-2(x+4)/(x-2)(x+4)
-2/x-2
6.2 #76
w^2-1/(w-1)^2 * w-1/w^2+2w+1
(w+1)(w-1)/(w-1)(w-1) * w-1/(w+1)(w+1)
w-1/(w-1)(w+1)
answer:
12
1
)1(
1
22
2
++
ww
w
w
w
1
1
)1(
1
)1(
)1)(1(
22
+
=
+
+
=
w
w
w
w
ww
6.3 #66
4/x-y , 5x/2y-2x
4(2)/x-y(2) , 5/2(x-y)
8/2(x-y) , 5/2(x-y)
6.4 #62
3/2a-2 – 2/(1-a)
3/2a-2 – 2(-2)/1-a(-2)
3/2a-2 - -4/2a-2
3+4/2a-2
7/2a-2
answer:
xxx
xxxx
=
+
=
+
=
+
3
1
3
3
3
2
3
3
)1)(3(
)1(2
3
3
3
2

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