Grade 128 grade maths
Factorise.p^4 –81 ????????????????????????????????
Factorise.
p^4 –81 ????????????????????????????????
1 Answer
Harshit Singh
Dear Student
p^4–81
= (p^2)^2-(9)^2
= (p^2-9)(p^2+9)
= (p^2-3^2)(p^2+9)
=(p-3)(p+3)(p^2+9)
Thanks
p^4–81
= (p^2)^2-(9)^2
= (p^2-9)(p^2+9)
= (p^2-3^2)(p^2+9)
=(p-3)(p+3)(p^2+9)
Thanks
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