Math, asked by vani110886, 10 months ago

the square of the following number 81

Answers

Answered by sylviastewart2312

Answer:

81=9⋅9 then the square root of √81=9 . Because the double multiplication for the same sign is always positive, the square root is also valid with the other sign 81=(−9)⋅(−9) then √81=−9 and we can say that √81=±9 .

Step-by-step explanation:

Answered by mdazamfaizy

) 81We know thatUnit digit of square of any number will be the unit ... Unit digit of 1 = 1∴ Unit digit of square of 81 = 1Ex 6.1, 1 What. ... Next: Ex 6.1 , 2→.

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