Question

find the value of a and b so that 3x⁴- 5x³ - 6x² + ax +b is exactly divisible by x² -4​

Answer 1

Answer:

x²-4 = 0

x² = 4

x = 2 or -2

Step-by-step explanation:

3(2)⁴ - 5(2)³ - 6(2)² + 2a + b = 0

48 - 40 - 24 + 2a + b = 0

2a+ b = 16

a can be 4 and b can be 8.

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