Question

Verify the square root of: 39 *39

Answer 1

Answer:

first 39 into 39.

you will get 1521

not take the square root of 1521 and you will get answer of 39

Answer 2

Answer:

${(30 + 9)}^{2} \\ 900 + 81 + 2 \times 30 \times 9 \\ 900 + 81 + 540 \\ 1521$