Prove that 7 is an irrational number. Hence show that 5 + 2 root 7 is also an irrational number. About the author Eloise
Answer: sqrt7 is irrational … 2 is rational and a rational*irrational is irrational, hence 2sqrt7 is irrational…. consequently 5+2sqrt7 is irrational hope it helps Reply
Answer:
sqrt7 is irrational … 2 is rational and a rational*irrational is irrational, hence 2sqrt7 is irrational…. consequently 5+2sqrt7 is irrational
hope it helps