Please Help Me With Working Out These Problems I Would Like To Use These To Check My Work Please Show All Work

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show all work for full credit. 1. Complex Exponentials: Simon.r the following expression and give your answer both in polar and roots ngular form.
or o = Gem + ale—Tm2 2. Differenoe Equations: Solve the following difference eo uation using recursion by hand {for n20 to n=4]
or 1Jr[n] + [Joann—1] = 2x[n—1]; xln] = fi[n], y[—1] = l] 3. Differential Equations: Solve the following problem for fit).
or owot + 21m} = Exit]; xft] = Lift}, yfflj = —1 Math