Find the value of
$(3 x^{3} + 2 x^{2} + 11) at x = - 1.$

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-10

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Solution

The correct option is B 10
Given, the expression is
$(3 x^{3} + 2 x^{2} + 11) .$

$At x = - 1,$
$3 x^{3} + 2 x^{2} + 11 = 3 (- 1)^{3} + 2 (- 1)^{2} + 11$
$= - 3 + 2 + 11$
$= 10$

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