Question

The co-efficient of x2 in (3x2 -5)(4+4x2) is a. -8 b. 8 c. 5 d. 12

Answer 1

Answer:

12

Step-by-step explanation:

..................

Answer 2

Answer:

coefficient of x² is -8

Step-by-step explanation:

==: (3x² - 5) (4 + 4x²)

==: 12x² + $12x^{4}$ - 20 - 20x²

==: $12x^{4}$ - 8x² - 20

Hence coefficient of x² is -8

Option (a) is correct

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