Question

evaluate(99)2
$(99)2$

Answer 1

(90+9)²=(90)²+(9)²+2*90*9
=8100+81+1620
=9801 .
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Answer 2

❄️Hey here is your answer ❄️

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(99)^2

(100 - 1)^2

U can see that it is in the form of (a - b)^2


Therefore,

(100 - 1)^2

(100)^2 - 2.100.1 + (1)^2


10000 - 200 + 1


9800 + 1

9801...☺️


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I HOPE IT WILL HELP YOU ☺️☺️