Back to the Basics in Mathematics #2

What should be added to the product of four consecutive odd numbers to make it a perfect square ?

15 0+a(d) 14 13 16

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1 solution

Ramiel To-ong
Jun 5, 2015

the first odd numbers are 1x3x5x7 = 105 add 16 to make 121 which is a perfect square

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