1.

Factorise p4-343p please give fast​

Answer»

⇒ p⁴ -343p

⇒p(p³-343)

⇒p(p³-7³)

USING a³-b³ = (a-b) (a²+ab+b²)

⇒p(p-7) (p²+14p+49)



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