Math, asked by logicgate1525, 5 months ago

Factorise 4(a^2+1/a^2)-(a-1/a)-11

Answers

Answered by Itzcreamykitty

3

Answer:

tex]a^2+1/a^2-18=a^2+1/a^2 -2*a*1/a-16=(a+1/a)^2-(4)^2=(a-1/a+4)(a-1/a-4 )[/tex]In the first step,2*a*1/a=2and -2-16=-18 ...

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