Both rectangular form and polar form are used to represent the same complex numbers. Explain, using your own words, the reason why we define two different representations? What kind of advantages/disadvantages in calculations would yo have if you always had to use the rectangular form?

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Q: QA why cis Banach space? let c= {UE C([0,+A)): SUPTE [0, +∞) |u(t) | <+0}

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Q: The solution of the following Bernoulli's equation xy' + 2y = x¹(cos x) y² is

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Q: If W is a subspace of R and v is any vector in R", then ||projwv|+|v-projwv||2= |v||2.

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