Question: A matrix B is said to be a square root of a matrix A if BB = A. (a) Find two square roots of (b)

A matrix B is said to be a square root of a matrix A if BB = A.
(a) Find two square roots of
A matrix B is said to be a square root

(b) How many different square roots can you find of

A matrix B is said to be a square root

(c) Do you think that every 2 × 2 matrix has at least one square root? Explain your reasoning.

2 2 9 0

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