On the set `M=A(x)={[xxxx]: x in R}of2x2` matrices, find the identity element for the multiplication of matrices as a binary operation. Also, find the inverse of an element of M.

On the set M=A(x)={[[x,xx,x]] : x in R} of 2x2 matrices,find the identity element for the multiplication of matrices as a binary operation.Also,find the inverse of an element of M.

Find the identity element for the binary operation * on Z defined as a*b = a + b-5. Also find the inverse element of 100.

Find the identity element for the binary operation * on Z defined as a*b = a + b-5. Also find the inverse element of 100.

Let M_(2)(x)d={:{((x,x),(x,x)):},x inRR} be the set of 2xx2 singular matrices. Considering multiplication of matrices as a binary operation, find the identity element in M_(2)(x) . Also find the inverse of an element of M_(2) .

Let S be the set of all 2xx2 matrices. What is the identity element of the multiplication operation on S?

If S it the set of all 2 xx 2 matrices then find the identity element of the addition operation on s.

Define identity element for a binary operation defined on a set.

Define identity element for a binary operation defined on a set.

ast ' is a binary operation on R defined as aastb=2ab Find the inverse element, if exists

Find the identity element , if it exists for the following operation . Also find the inverse if it exists. On Q -{0} defined a"*" b = (ab)/2 .