Question

please tell 121 square​

Answer 1

Answer:

√121 = 11

(121)^2 = 14641

Answer 2

${121}^{2} = {(100 + 21)}^{2} \\ \\ = {100}^{2} + {21}^{2} + 2 \times 100 \times 21 \\ \\ = 10000 + 441 + 4200 \\ \\ = 14641$