Question 15384 – DSSSB PGT 2021
April 7, 2024Question 4945 – Engineering-Mathematics
April 7, 2024UGC NET CS 2006 Dec-paper-2
Question 5 |
If (a 2 −b 2 ) is a prime number where a and b ε N, then :
(a 2 −b 2 ) =3 | |
(a 2 −b 2 ) =a−b | |
(a 2 −b 2 ) =a+b | |
(a 2 −b 2 ) =5 |
Question 5 Explanation:
→ For any given numbers a and b which belongs to natural numbers , the options (A) and (D) are false
→ The set of natural numbers, denoted N, can be defined in the following ways: N = {0, 1, 2, 3, …}
→ A prime number (or a prime) is a natural number greater than 1 that cannot be formed by multiplying two smaller natural numbers.
→ ‘a-b’ may be gives the non negative values which is not prime number but the a+b may give the prime value.
→ The set of natural numbers, denoted N, can be defined in the following ways: N = {0, 1, 2, 3, …}
→ A prime number (or a prime) is a natural number greater than 1 that cannot be formed by multiplying two smaller natural numbers.
→ ‘a-b’ may be gives the non negative values which is not prime number but the a+b may give the prime value.
Correct Answer: C
Question 5 Explanation:
→ For any given numbers a and b which belongs to natural numbers , the options (A) and (D) are false
→ The set of natural numbers, denoted N, can be defined in the following ways: N = {0, 1, 2, 3, …}
→ A prime number (or a prime) is a natural number greater than 1 that cannot be formed by multiplying two smaller natural numbers.
→ ‘a-b’ may be gives the non negative values which is not prime number but the a+b may give the prime value.
→ The set of natural numbers, denoted N, can be defined in the following ways: N = {0, 1, 2, 3, …}
→ A prime number (or a prime) is a natural number greater than 1 that cannot be formed by multiplying two smaller natural numbers.
→ ‘a-b’ may be gives the non negative values which is not prime number but the a+b may give the prime value.
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