jacydraw jacydraw

04-09-2022
Mathematics

contestada

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

Respuesta :

sangers1959 sangers1959

04-09-2022

Answer: 16

Step-by-step explanation:

[tex]n^2-(n+a)(n-a)=\\n^2-(n^2-a^2)=\\n^2-n^2+a^2=\\a^2[/tex]

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

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