Question

Factorise:- P⁴-81

Class 8
Maths

Answer 1

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(p²)²-(9)²

(p²-9)(p²+9)

(p²-3²)(p²+9)

(p-3)(p+3)(p²+9)

Answer 2

Answer:(P²+9)(P+3)(P-3).

Step-by-step explanation:

(P²)²-9²=(p²+9)(p²-9)=(p²+9){(P+3)(P-3)}