Will someone help me with this, it is so confusing. I will give brainlyest to the first person who can help me.
1 answer:
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Answer:
Option d - I and III.
Step-by-step explanation:
Given : If and x and y are positive integers.
To find : Which of the following must be an integer?
Solution :
As we see all option there is a multiple of y.
So, we factoring the number 375
i.e.
In order for 375y to be a perfect square,
The prime factorization of y must contain at least one 3 and one 5.
or y must be a multiple of 15.
If y is a multiple of 15, then must be an integer.
and must be an integer.
Therefore, I and III will be correct i.e. option d.