Answer:
Step-by-step explanation:
Given that A is a square matrix and A is idempotent
Consider I-A
i)
It follows that I-A is also idempotent
ii) Consider the matrix 2A-I
So it follows that 2A-I matrix is its own inverse.
A football pitch ABCD is shown. The length of the pitch, AB = 120 m. The width of the pitch, BO = 90 m. A 120 m B 90 m D C Calcu
1 answer:
You might be interested in
Answer:
Step-by-step explanation:
From the question we are told that:
Generally the equation for Area of a sector A is mathematically given by