Question

PAGE NO
If p is a prime number and up
divides k², then p divides​

Answer 1

Step-by-step explanation:

Actually this is a theorem,

Let p be a prime number. If p divides a^2, then p divides a, where a is a positive integer.

Since, p divides k^2,

Hence p divides k.

You can also prefer the ncert book or reference book to know about this theorem in detail!