Question

factorise a raise to the power 7 minus b raised to power 6 a​

Answer 1

Answer:

⇒a⁷-b⁶a

⇒a(a⁶-b⁶)

⇒a((a²)³-(b²)³)

⇒a(a²-b²)(a⁴+b⁴+a²b²)

⇒a(a+b)(a-b)(a⁴+b⁴+a²b²)

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