Question

(102)square-(98)square​

Answer 1

Answer:

9996

Step-by-step explanation:

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

(100+2)(100-2)=(100)^2 - (2)^2

10000-4

(102)^2-(98)^2 = 9996

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Answer 2

Answer:

800

Step-by-step explanation:

$(100+2)^{2} -(100-2)^{2} \\10000+4+400-10000-4+400\\800$