Question

Find the square of 93without actual multiplication

Answer 1

Answer:

93= ( 90 + 3 )^2 { a^2 + b^2+ 2 ab }

90^2 +3 ^ 2 + 2 × 90 × 3

8100 + 9 + 270 × 2

8100 + 9 + 540

8649 ans

Am I right

Answer 2

Answer:

answer is 8649. by given information