Math, asked by rohansh51, 1 year ago

Short trick for cube root.​

Answers

Answered by shilpanagpal2
1

Step-by-step explanation:

if u find the cube root of some perfect cube u want to know about some basic

like

(1)^3 = 1 = cube of 1 ends with one

(2)^3 = 8 = cube of 2 ends with 8

3 Ka cube = 27 = end with 7

so on ......

you make it roughly

let us take an example

find out the cube root of 19683

step 1.... underline the last three digit and see its ending with 3 means that

19683

____

explanation. remind the table we know that cube of 7 ends with 3 so the unit digit required number 7 would be ..

step 2.....now thought any table .find the greatest cube which is less than 19

bcoz 7 is less than 9 .we can see in this case it is 8 and its cube root is 2 ..

the digit at tens place is 2

19683

! !

.

2. 7

hence it is the 27

19683 is the cube root of 27.......

hope u like it

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