Q. Use the imaginary number i to rewrite the expression below as a complex number. Simplify all radicals. −−82
Express as product: First, let's express −−82 as the product of square roots and −1.−−82=−−1×82
Use i to simplify: Now, let's use i to represent −1 and simplify.−−82=−−1×82=−i×82
Simplify radical form: Finally, we simplify 82 to its simplest radical form.−i⋅82=−i⋅82; since 82 is already a prime number, it cannot be simplified further.
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