Which of the following is 𝑍[𝑎𝑛]𝑧𝑛≥0Z[a n ]zn≥0?a)𝑧𝑧−𝑎z−az​ b)𝑧𝑧+𝑎−1z+a−1z​ c)𝑧𝑧+𝑎z+az​ d)𝑧−𝑎𝑧zz−a​

Which of the following is 𝑍[𝑎𝑛]𝑧𝑛≥0Z[a n ]zn≥0?a)𝑧𝑧−𝑎z−az​ b)𝑧𝑧+𝑎−1z+a−1z​ c)𝑧𝑧+𝑎z+az​ d)𝑧−𝑎𝑧zz−a​

Which of the following is the inverse Z - transform of 𝑧𝑧−𝑎(∣𝑧∣>𝑎)z−az​ (∣z∣>a) ?a)𝑎−𝑛a −n b)ac)1𝑎a1​ d)𝑎𝑛a n

Which of the following is the inverse Z - transform of 𝑧𝑧−𝑎(∣𝑧∣>𝑎)z−az​ (∣z∣>a) ?a)𝑎−𝑛a −n b)ac)𝑎𝑛a n d)1𝑎a1​

If X(z) is the z-transform of the signal x(n) then what is the z-transform of a^n x(n) ?Group of answer choicesX(az^-1)noneX(az)X(a^-1z)

Let a=[−3,0,−3]𝑎=[−3,0,−3], b=[0,−1,0]𝑏=[0,−1,0], and c=[0,3,−2]𝑐=[0,3,−2]. Compute (a×b)⋅c(𝑎×𝑏)⋅𝑐.