Question

find the value of 300square - 299 square
using identity

Answer 1

Answer:

$= (300) {}^{2} - (299) {}^{2} \\ using \: dentity \ : \\ x {}^{2} - y {}^{2} = (x + y)(x - y) \\ \\ = (300 + 299)(300 - 299) \\ =( 599)(1) \\ = 599$

Step-by-step explanation:

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Answer 2

Answer:

599

Explanation:

Using the identity $a^{2} - b^2 = (a+b)(a-b)$

$300^{2} - 299^2\\= (300+299) (300-299)\\= (599) (1)\\= 599$