Question

(a+b)^2 = a^2+2ab+b^2, then value of (107)^2​

Answer 1

Answer:

11449

Step-by-step explanation:

Given:

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

therefore, (107)^2 = ?

Sol:

we can break down 107

so,

(107)^2

= (100 + 7)^2

= 100^2 + 2 X 100 X 7 + 7^2

= 10000 + 1400 + 49

= 11449