Math, asked by seemachavi24, 2 months ago

the value of 9²-1 is

Answers

Answered by paramjeet621

1

Answer:

80

whole square of nine will be 81-1 will be 80

Answered by vkvyas80

2

9^2 - 1

= 9×9 - 1

= 81 - 1

= 80

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