Question

Q no 28
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Answer 1

Step-by-step explanation:

3x2 + px + 4 = 0

3(23)2 + p(23) + 4 = 0

43 + 2p3+4 =0

P = -8

3x2 - 8x + 4 = 0

3x2 - 6x - 2x + 4 = 0

x = 2/3 or x = 2

Hence, x = 2