Question: Please solve by showing work. [4] Consider two distinct numbers a and b and define the function - 1 f(t) = det a b t

Please solve by showing work.

[4] Consider two distinct numbers a and b and define the function - 1 f(t) = det a b t La2 b2 +2 Answer the following: a) Show that f (t) is a quadratic function. What is the coefficient of t?? b) For what values of t is the matrix invertible

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