10. The stress at which extension of a material takes place more quickly as compared to the increase in load, is called a) Elastic point b) Plastic point c) Breaking point d) Yielding point 11. Where in the stress-strain curve, the hooke's law is valid?

j) \( (-32)^{6}:(-32)^{3}= \)

Find the product of the following two matrices. \[ \left[\begin{array}{cc}-2 & 2 \\ 1 & 1\end{array}\right]\left[\begin{array}{cc}-2 & 4 \\ -1 & 1\end{array}\right] \]

Calculate the size of the missing 2

2.) Calcule a) \( \left(-x^{2}+2 x+4 x\right)^{2}-\left(-x^{2}+5 x\right)^{2} \)

Soluciona las siguientes integrales definidas. a. \( \int_{1}^{3}\left(2 x^{4}+5 x^{3}+x^{2}-2 x+3\right) d x \) b. \( \int_{2}^{4}\left(3 x^{2}+x\right) d x \)