Using the formula (a + b)^2= (a^2+ 2ab + b^2), evaluate: (508)^2 - Vidyadip

Question

Using the formula $(a + b)^2= (a^2+ 2ab + b^2),$ evaluate:
$(508)^2$

✓

Answer

$ (508)^2=(500+8)^2 $
$ =(500)^2+2 \times 500 \times 8+(8)^2 $
$ =(250000+8000+64) $
$ =258064 $

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