The main function should contain following steps: ask the users to choose the size of the matrix (2x2 or 3x3).dynamically allocates the memory space for the matrix using readmatrix() to prompt the user to enter 4 or 9 integers to fill the matrixcalculate the determinant using both the matrix and the determinant to the user.

Two technicians are discussing the common u-joint. technician a says its input and output speeds should be equal. technician b says that it normally has two yokes. which technician is correct?

Meenu wants to create a high quality drawing in a variety of colours. which device should she use for the same?

Simon says is a memory game where "simon" outputs a sequence of 10 characters (r, g, b, y) and the user must repeat the sequence. create a for loop that compares the two strings starting from index 0. for each match, add one point to userscore. upon a mismatch, exit the loop using a break statement. assume simonpattern and userpattern are always the same length. ex: the following patterns yield a userscore of 4: simonpattern: rrgbryybgy userpattern: rrgbbrybgy