Home
Class 10
MATHS
Let p be a prime number and a be a posit...

Let p be a prime number and a be a positive integer. If p divides `a^2`; then p divides a.

A

`2k^2`

B

k

C

3k

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • SAMPLE PAPER 3

    OSWAL PUBLICATION|Exercise Section -A|6 Videos

  • SAMPLE PAPER 3

    OSWAL PUBLICATION|Exercise Section B|2 Videos

  • SAMPLE PAPER 2

    OSWAL PUBLICATION|Exercise QUESTION BANK|99 Videos

  • SAMPLE PAPER 4

    OSWAL PUBLICATION|Exercise Section -C|8 Videos

Similar Questions

Explore conceptually related problems

Theorem 1.3 : Let p be a prime number. If p divides a2 , then p divides a, where a is a positive integer.

The contra-positive of the statement, "If x is a prime number and x divides ab then x divides a or x divides b", can be symbolically represented using logical connec- tives, on appropriately defined statements p, q, r, s, as

Let p be a prime number such that 3

If r,s,t are prime numbers and p,q are the positive integers such that LCM of p,q is r^(2)s^(4)t^(2) , then the number of ordered pairs (p,q) is:

p is a prime number and n

Let p and q be distinct primes.Then the number of positive integer solutions of the equation (1)/(x)+(1)/(y)=(1)/(pq) is