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According to the fundamental theorem of arithmetic, if T (a prime number) divides b2, b>0, then a) T divides b b) b divides T c) T2 divides b2 d) b2 divides T2

Problem : According to the fundamental theorem of arithmetic, if T (a prime number) divides b2, b>0, then

a) T divides b
b) b divides T
c) T2 divides b2
d) b2 divides T2

Doubt by Muskan 

Solution : 

According to the Theorem 1.3 of Chapter - 1 | Real Numbers | NCERT which states that

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


The correct option is a) T divides b.