13. Find the product:
(i) (x+2)(x-2)(x2+1)
Answers
Answered by
1
Answer:
x⁴ - 3x² - 4
Step-by-step explanation:
(x + 2) (x - 2) = x² - 4
Now (x²- 4)(x²+1)
= x⁴ + x² -4x² - 4
= x⁴ - 3x² - 4
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