1. –(cos4x/8)+k
2. (cos4x/8)+k
3. (Sin4x/8)+k
4. -(sin4x/8)+k
–(cos4x/8)+k
1. 1/2 cos2x+c
2. -1/2 cos2x+c
3. [-1/(1+tanx)2]+c
4. -1/2 sin2x+c
-1/2 sin2x+c
1. Tanx+x+c
2. Cotx-x+c
3. x-Tanx+c
4. Tanx-x+c
Tanx-x+c
1. –cosh-1(-x/a)+c
2.
3.
4. cosh-1(x/a)+c
–cosh-1(-x/a)+c
1. 27
2. 10
3. 28
4. 9
28
1. [4,-9]
2. {4,5,6,7,8,9}
3. {4,5,6}
4. [5,6,7,8}
{4,5,6}
1. 30
2. 120
3. 40
4. 60
120
1. a/b
2. 1+ab
3. ab
4. a+b
a+b
1. 4 log3
2. 3log4
3. 4
4. log2
4
1. 1/3 ≤y≤3
2. y∉[1/3,3]
3. -3 < y-1/3
4. 0≤ y ≤ 3
1/3 ≤y≤3