Which one is correct
A. is irrational
B. Sum of two irrational number is always irrational
C. , where is prime, is irrational
D. Every composite number can be expressed as a product of primes
Choose the correct answer from the options given below:
Which one is correct
A. is irrational
B. Sum of two irrational number is always irrational
C. , where is prime, is irrational
D. Every composite number can be expressed as a product of primes
Choose the correct answer from the options given below:
Solution
✅ Correct Option: 1
is irrational, and is irrational for every prime . By the Fundamental Theorem of Arithmetic every composite number factorises into primes. Statement B fails: , a rational sum of two irrationals. Hence A, C and D only.
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