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Solve 4 square root 2 plus 5 square root 4 and explain whether the answer is rational or irrational

Sagot :

Answer:

Step-by-step explanation:

4 sqrt (2)  + 5 sqrt (4) =  4 sqrt (2) + 5 *2 = 4 sqrt 2 + 10

This is irrational due to the sqrt (2) in the answer