Find a vector normal to both the lines

$r_1 = (1,2,3) + \lambda (4,5,6)$

Exercise 03.1

Exercise 03.2

For the polynomial

$$\begin{align} f(x, y) &= (x + y)^{6} \\ &= x^6 + 6x^{5}y + 15x^{4}y^{2} + 20x^{3}y^{3} + 15x^{2}y^{4} + 6xy^{5} + y^{6} \end{align}$$

Exercise 02.1 (if-else)

Exercise 02.2 (bisection)

Exercise 02.3 (series expansion)

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Exercise 01.1

Exercise 01.2

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