Question

use the indentity and find
the square of 189​

Answer 1

Answer:

189 = 3√21 hope you will understand

Answer 2

Step-by-step explanation:

By using given identity,

189 = (200-11) = (200-11)^2 = (200)^2 +(11)^2 - 2×200×11 = 40000+121-4400 = 40121-4400 = 35721 Is this way correct.