Question

MATHS
I Evaluate using identity
[as]?(98)2
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Answer 1

Answer:

(98)2= 9604

Step-by-step explanation:

$(98)^{2} =(100-2)^{2} \\ Now\ we \ know\ that\\\(a-b)^{2} =a^{2} +b^{2}-2ab \ \\therefore\ using \ this\ identity \we\ have \\\=(100)^{2}+(2)^{2} -2(100)(2)\\=10000+4-400\\=9604$

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