Question

The product of 2 alternate odd numbers is 621. What are the numbers?
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Answer 1

ANSWER:

The product of two odd numbers is an odd number. Let m and k be any integers. This means that 2m+1 and 2k+1 are odd numbers. 2 ( 2mk + m + k ) + 1 which is an odd number

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Answer 2

The product of 2 odd no: is an odd no:

Let m & k be any integer.

So, 2m+1 & 2k+1 will also be odd nos:

2(2mk+m+k)+1 is also odd no: