Answers

2014-08-20T19:31:11+05:30
P(y) = 2y³ - y² -13y - 6
for finding p(-2/3) put y = -2/3 in the given polynomial
p(-2/3) = 2(-2/3)³ - (-2/3)² - 13(-2/3) - 6
p(-2/3) = -16/27 - 4/9 + 26/3 - 6
p(-2/3) = (-16 - 4*3 + 26*9 - 6*27)/27
p(-2/3) = (-16 - 12 + 234 - 162)/7
p(-2/3) = 44/27
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