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(i) Simplify n²-(n+ a)(n-a). (ii) Hence evaluate 326541 8292-326541833 x 326541 825.​
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5 votes
(i) Simplify

n²-(n+ a)(n-a).
(ii) Hence evaluate
326541 8292-326541833 x 326541 825.​

User Ahmed Taher
by
7.7k points

1 Answer

4 votes

Answer: 16

Explanation:


n^2-(n+a)(n-a)=\\n^2-(n^2-a^2)=\\n^2-n^2+a^2=\\a^2


326541829^2-326541833*326541825=\\32654129^2-(32654129+4)(326541129-4)=\\4^2=\\4*4=\\16

User Shandy
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