Question

Find the value of (109)^2​

Answer 1

Answer:

11881

Step-by-step explanation:

(109)^2 = (100+9)^2 [ ( a+b )^2 = a^2 + 2ab + b ^2 ]

= (100)^2 + 2(100)(9) + (9)^2

= 10000 + 1800 + 81

= 11881

Answer 2

Answer:

11881

Step-by-step explanation:

$(109)^{2}$

=(100 + 9)^2

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

a = 100 ;  b = 9

= 100^2  + 9^2 + 2*100*9

= 10000 + 81 + 1800

= 11881