Using identity , find the value of 109²
Answers
Answered by
2
Answer:
11881
Step-by-step explanation:
(100+9)²
(a+b)²=a²+b²+2ab
100²+9²+2*100*9
10000+81+1800
11881
Answered by
5
Answer:
( a + b )² = a² + 2ab + b²
( 100 + 9 )² = (100)² + (9)² + 2(100)(9)
= 10,000 + 81 + 1800
= 11,881
Step-by-step explanation:
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