Page:Elementary algebra (1896).djvu/394

376 Rh EXAMPLES XL.

Find the limits of the following expressions :

(1) when x=\infty. (2) when x = 0.

1. (2x-3)(3-5x) 7x^2-6x + 4 2. (x - 3)(2 - 5x)(3x + 1) (2x-1)^3 3. (3 + 2x^3)(x-5) (4x^3-9)(1+x). 4. 5. 6. (3-x)(x + 5)(2-7x) (7x-1)(x+1)^3

Find the limits of

7. x+1 x-1, when x=-1. 8. x - 2a + x - 2a x^2 - 4a^2 when x = 2a 9. 10.