Question

find the value 102² by using suitable identify ​

Answer 1

Answer:

102² = (100+ 2)² is of the form

(a + b)² = a² + b² + 2ab

where a = 100, b = 2

..102² = (100 + 2)²

100² +2²+2 x 100 x 2

= 10000 + 4 + 400 = 10404