Factorise:- P⁴-81
Class 8
Maths
Answers
Answered by
9
(p²)²-(9)²
(p²-9)(p²+9)
(p²-3²)(p²+9)
(p-3)(p+3)(p²+9)
Answered by
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)}
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