Factorise :a2/b2+2+b2/a2

Dear Student,

We have,a2b2+2+b2a2= a4+2a2b2+b4a2b2=a22+2a2b2+b22a2b2=  a2+b22a2b2  (using, x2+2xy+y2=(x+y))2=a2+b2a2+b2a2b2

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