If y is the smallest positive integer such that 1,260 multiplied by y is the square of an integer, then y must be	Choose the correct choice from the following:
A) 23  B) 51  C) 38  D) 35  E) 37
1260= 2*2*3*3* 7*5= 
<gadget id="calculator"> 7*5</gadget>
<output>35</output>
35   Ans: 35
<result>D</result>
If y is the smallest positive integer such that 1,260 multiplied by y is the square of an integer, then y must be