Hey!
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Solution:
= 7√3 + 2√9
= 7√3 + 6
= 18.124... (Non-Terminating or Irrational)
When we add a rational number and a irrational number it's always irrational.
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Answer:
The answer 7√3 + 6 is irrational because the sum of a rational number and irrational number is an irrational number.
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Hope This Helped! Good Luck!