evaluate using identy 105²
Answers
Answered by
1
Answer:
11025
Step-by-step explanation:
105= (100+5)^2
100(100+5) +5(100+5)
10000+500+500+25
11025 is the square
Answered by
0
Answer:
= (100 + 5)² [(a+b)² = a² + b² + 2ab]
= 100² + 5² + 2(100×5)
= 10000 + 25 + 2(500)
= 10025 + 1000
= 11025
Hope this helps
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