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Find the sum of 4√5 and √5 in simplest form. Also, determine whether the result is rational or irrational and explain your answer.

Find the sum of 4√5 and √5 in simplest form. Also, determine whether the result is rational or irrational and explain your answer.
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1 vote
Find the sum of 4√5 and √5 in simplest form. Also, determine whether the result is

rational or irrational and explain your answer.

User Ntoskrnl
by
7.1k points

1 Answer

7 votes

Answer:

See below

Explanation:


4√(5)+√(5)=(4+1)√(5)=5√(5)

This sum is irrational because
√(5) was irrational to begin with.

User Tygzy
by
9.8k points
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