Math, asked by priyampatil1, 1 month ago

answer 4th question with full method​

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Answered by YourHelperAdi
2

if x = -1/2

so x^3 + 3x -1 = -1/2 ^3 +(3)(-1/2) -1

= -1/8 -3/2 -1

= -1/8 -12/8 - 8/8

= -21/8

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