Find the square of: 31,72,37,166
Answers
Answered by
8
square of 31 = 961
square of 72 = 5184
square of 37 = 1369
square of 166 = 27556
square of 72 = 5184
square of 37 = 1369
square of 166 = 27556
Answered by
5
use identity,
(a + b )^2 = a^2 + 2ab + b^2
take first digit = a , and second = b ,then use it in this formula ,or take carry to next one if there is in order from right side.
(31)^2 = 9 / 6 / 1= 961
(72)^2 = 49 / 28 / 4 = 5184
(37)^2 = 9 / 42 / 49 =1369
(166)^2= 256 / 192 / 36 = 27556
●hope it helps ●
(a + b )^2 = a^2 + 2ab + b^2
take first digit = a , and second = b ,then use it in this formula ,or take carry to next one if there is in order from right side.
(31)^2 = 9 / 6 / 1= 961
(72)^2 = 49 / 28 / 4 = 5184
(37)^2 = 9 / 42 / 49 =1369
(166)^2= 256 / 192 / 36 = 27556
●hope it helps ●
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