1. log2
2. log√2
3. 2log2
4. 3log√2
log√2
1. e-1
2. e-1-1
3. e-1+1
4. e-2+1
e-1
1. log[(2+√5)/(√2+1)]
2. log[(√2+1)/(2+√5)
3. log[(2-√5)/(√2-1)]
4. 0
log[(2+√5)/(√2+1)]
1. /3
2. ?/2
3. ?/4
4. ?/8
?/4
1. ∏
2. ∏/3
3. ∏/2
4. ∏/6√2
∏/2
1. /32
2. 2?/5
3. 5?/32
4. 7?/32
5?/32
1. log2
2. log3
3. 4
4. /2
log2
1. (1/2)log2
2. (1/3)log3
3. (1/3)log2
4. (1/2)log3
(1/3)log2
1. [tan2x/2]+log|cosx|+c
2. tan2x+log|cosx|+c
3. [tan2x/2]-log|cosx|+c
4. tan2x-log|cosx|+c
[tan2x/2]+log|cosx|+c
1. extan(x/2)+c
2. –excot(x/2)+c
3. excsc2(x/2)+c
4. e-xcot(x/2)+c
–excot(x/2)+c