Evaluate $[{337}^{2} - {336}^{2}]$ [ use identity $(a^{2} - b^{2}) = (a + b) (a - b)$

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Solution

We have,

${337}^{2} - {336}^{2}$

We know that,

$(x^{2} - y^{2}) = (x + y) (x - y)$

Therefore,

$= (337 + 336) (337 - 336)$

$= (673) \times 1$

$= 673$

Hence, the value is $673$ .

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