1. π
2. π/2
3. π/4
4. 3π/2
π/4
1. 0
2. 1
3. (e2-1)/2e
4. (e2+2)/2e
(e2-1)/2e
1. c(x2 - y2) = x
2. c(x2 + y2) = x
3. c(x2 - y2) = y
4. c(x2 + y2) = y
c(x<sup>2</sup> - y<sup>2</sup>) = x
1. 3x(1 + y2) = 4y3 + c
2. 3y(1 + x2) = 4x3 + c
3. 3x(1 - y2) = 4y3 + c
4. 3y(1 + y2) = 4x3 + c
3y(1 + x<sup>2</sup>) = 4x<sup>3</sup> + c
1. 1/y = cx - x log x
2. 1/x = cy - y log y
3. 1/x = cx + x log y
4. 1/y = cx - y log x
1/x = cy - y log y
1. one-one
2. onto
3. one-one and onto
4. neither one-one nor onto
neither one-one nor onto
1. {0, 1}
2. { 1, 2}
3. {-3, -2}
4. {2, 3}
{-3, -2}
1. f(4√2)
2. f(3√2)
3. f(2√2)
4. f(√2)
f(4√2)
1. 1
2. 1/2
3. 1/3
4. 1/4
1/3
1. 1
2. 2
3. 3
4. 4
3