Math, asked by DALJEETSINGH4567369, 10 months ago

(9.9)² using identity -2

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Answered by sahil262082

12

hope it helps you . thanks for asking

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Answered by expertTejas

4

Answer: (10-0.1)power2=(10)power2

+(0.1)power2-2×10×0.1=98.01

Step-by-step explanation:

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