how to factorise 81m4-(n-m)using the identities?
 

Dear Student,

Please find below the solution to the asked query :

       81m4 - n-m4=9m22 - n-m22=9m2+n-m29m2-n-m2=9m2+n-m2 3m2 - n-m2=9m2+n2+m2-2mn9m2-n2-m2+2mn=10m2+n2-2mn8m2-n2+2mn

Hope this would clear your doubt.

Do let us know in case of any further concerns.

Regards

  • 1
What are you looking for?