Question

evaluate using suitable identity
${99}^{2}$
​

Answer 1

Answer:

hope it will help you:-)

Answer 2

Answer:

9801

Step-by-step explanation:

99^2

= (100 - 1)^2

=> (a - b) ^2 = a^2 + b^2 - 2ab

= 100^2 + 1^2 - 2×100×1

= 10000 + 1 - 200

= 9801

Hope this helps u......,,,

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