Question

using identities evaluate =98^(2)​

Answer 1

Answer:

(100-2)^2

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

(100-2)^2= (100)^2+(2)^2-2(100×2)

10000+4-400= 10004-400

9604

Step-by-step explanation:

hope u understand

Answer 2

HEY! HERE IS UR ANSWER:

98² = (100-2)²      {Solve using (a-b)²=a² + 2ab +b²}

100²-2*100*2+2²

10000-400+4

=9604

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