1. lim->(x → 6) (6-х)/(3-√(х+3))
2. f(x)= 1/√(x^4-1);
3. y = 9sin x – 4x3
4. у = x3 – 3x2 – 45x + 2;
5. y=(x^2- 15)/(x+4);
6. ∫(3x^2- x^(-1) )dx;
7. ∫(x^2 dx)/(5x^3+ 1);
8. у = х2 – 6х + 9 и у = (х + 1) · (3 – х);
9. 5x3dy – y2dx = 0; y(1) = 1