Matrices P and Q are defined by P= and Q=. Where x, y∈R (a) Given the determinant of P is 2, obtain:

(i) The value of x.

(ii)

(iii) , where Q' is the transpose of Q.

(b) The matrix R is defined by R=, where z∈R.

Determine the value of z such that R is singular.

I-872807 karnal linani nje le-lasar uxolo

on monday rodney ate 1/4th of the sandwich = 3/12

on tuesday he ate 1/3rd of the sandwich = 4/12

therefore in total he has eaten = 3/12 + 4/12 = 7/12

thus we can say that he has eaten 7/12 of the sandwich on monday and tuesday alltogether.

happy to

pls mark as brainliest.

answer is 33

step-by-step explanation: