Answer:
7√5 is irrational because 7 is rational and √5 is irrational and Rational×Irrational=irrational
7/√5 is irrational because Rational÷irrational=irrational
√2 + 21 is also irrational because irrational+ rational= irrational
π-5 is also irrational[ as π has not a fixed value 22/7 you can check it also] irrational- rational= irrational
If you find this helpful i will feel happy if not then you can see the explanation in YouTube.
First one yes it is a irrational,2nd also irrational
Step-by-step explanation:
1.non perfect square
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Verified answer
Answer:
7√5 is irrational because 7 is rational and √5 is irrational and Rational×Irrational=irrational
7/√5 is irrational because Rational÷irrational=irrational
√2 + 21 is also irrational because irrational+ rational= irrational
π-5 is also irrational[ as π has not a fixed value 22/7 you can check it also] irrational- rational= irrational
If you find this helpful i will feel happy if not then you can see the explanation in YouTube.
Answer:
First one yes it is a irrational,2nd also irrational
Step-by-step explanation:
1.non perfect square