Find the product using suitable identity.
(a + 3) (a -3) (a^2 +9)
Answers
Answered by
5
Answer:
(a+3)(a-3)(a²+9)
Step-by-step explanation:
(a+b)(a-b)(a²+b²)
=(a²-b²)(a²+b²)
=a⁴-b⁴
(a+3)(a-3)(a²+9)
=a²-3²(a²+3²)
=a⁴-3⁴
=a⁴-81
Answered by
1
Answer:
ok....
Step-by-step explanation:
need to solve it...............
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