Answer:
20/3 or 6 2/3
Step-by-step explanation:
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4√(5) i
√(-80) = √(80)i
=√(16) √(5) i
= 4√(5) i
where the operator i = √-1
f(6)= 7 f(11)= 22
f(7)= 10
Step-by-step equation:
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