Math, asked by mallikapsingh, 1 year ago

90(square) - 91(square)

Answers

Answered by ssaivaishnavi090442

1

Answer:

(90) ^2 -(91) ^2

a^2-b^2 =(a+b) (a-b)

thus, (90+91) (90-91)

(181) (-1)

-181 is the ans.... :)

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