It seems like there's a formatting issue with your question. However, I'll try to interpret and answer it as best as I can.

a) 𝑧𝑧−1z−1z: This expression simplifies to 1. When you multiply any number by its reciprocal, you get 1.

b) 𝑧𝑧+1z+1z: This expression simplifies to 1. When you multiply any number by its reciprocal, you get 1.

c) 𝑧𝑧−𝑎z−az: This expression simplifies to 1. When you multiply any number by its reciprocal, you get 1.

d) 𝑧𝑧+𝑎z+az: This expression simplifies to 1. When you multiply any number by its reciprocal, you get 1.

Please note that this is under the assumption that z and a are non-zero real or complex numbers.

Question

It seems like there's a formatting issue with your question. However, I'll try to interpret and answer it as best as I can.

a) 𝑧𝑧−1z−1z​: This expression simplifies to 1. When you multiply any number by its reciprocal, you get 1.

b) 𝑧𝑧+1z+1z​: This expression simplifies to 1. When you multiply any number by its reciprocal, you get 1.

c) 𝑧𝑧−𝑎z−az​: This expression simplifies to 1. When you multiply any number by its reciprocal, you get 1.

d) 𝑧𝑧+𝑎z+az​: This expression simplifies to 1. When you multiply any number by its reciprocal, you get 1.

Please note that this is under the assumption that z and a are non-zero real or complex numbers.

Knowee AI · Accepted Answer

It seems like there's a formatting issue with your question. However, I'll try to interpret and answer it as best as I can.

a) 𝑧𝑧−1z−1z​: This expression simplifies to 1. When you multiply any number by its reciprocal, you get 1.

b) 𝑧𝑧+1z+1z​: This expression simplifies to 1. When you multiply any number by its reciprocal, you get 1.

c) 𝑧𝑧−𝑎z−az​: This expression simplifies to 1. When you multiply any number by its reciprocal, you get 1.

d) 𝑧𝑧+𝑎z+az​: This expression simplifies to 1. When you multiply any number by its reciprocal, you get 1.

Please note that this is under the assumption that z and a are non-zero real or complex numbers.

What is Z[1]a)𝑧𝑧−1z−1z b)𝑧𝑧+1z+1z c)𝑧𝑧−𝑎z−az d)𝑧𝑧+𝑎z+az