Question

How many non square numbers lie between 128^2 and 129^2?

Answer 1

Answer:

here you go .......

Step-by-step explanation:

The number of non-square numbers between 128² and 129² is

129² - 128² = (129+128)(129-128) = 257

a² - b²  = (a+b)(a-b)

     Hope it helps you.

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