Question

Identity a plus b ka whole square and evaluate 204 square

Answer 1

Answer:

Step-by-step explanation:

(a+b)^2=a^2+2ab+b^2

204^2=(200+4)^2

=40000+1600+16

=41616

Answer 2

Answer:

(204)^2

=(200+4)^2

=(200)^2 +(4)^2 + 2×200×4

=40000+16+1600

=41616

here 200^2 means 200×200