Question

Evaluate 93 square using a suitable identity, without multpling directly

Answer 1

Given that,

By using the indentity

We have to find the square of93

My answer is 8649

Answer 2

Answer:

8649

Step-by-step explanation:

(93)^2=90+3

=(90)^2+2×90×3+(3)^2 (Identity used=(a+b)^2=a^2+2×a×b+b^2)

=8100+540+9

=8649

hope it will be helpful...