Math, asked by aisha10025, 2 months ago

203 square 2 -202 square 2=____

Answers

Answered by IndianGamer2005

1

Answer:

405

Step-by-step explanation:

$203^2-202^2$ = (203+202)(203-202) [∵ identity: $a^{2}-b^2=(a-b)(a+b)$ ]

= (405)(1)

= 405

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