Answer:
9801
Step-by-step explanation:
(99)²
=(100-1)²
Using formula (a-b)²= a²-2ab +b²
=(100)²-2(100)(1)+(1)²
=10000 -200+1
=9801
Hope you like it.
= (100-1)²
(a-b)² = a² + b² - 2ab
= 100² + 1² - 2*100*1
= 10000 + 1 - 200
= 9801
Please mark me as the Brainliest.
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Answers & Comments
Answer:
9801
Step-by-step explanation:
(99)²
=(100-1)²
Using formula (a-b)²= a²-2ab +b²
=(100)²-2(100)(1)+(1)²
=10000 -200+1
=9801
Answer:
Hope you like it.
Step-by-step explanation:
= (100-1)²
(a-b)² = a² + b² - 2ab
= 100² + 1² - 2*100*1
= 10000 + 1 - 200
= 9801
Please mark me as the Brainliest.