Express the following polynomials in the index form taking ' $x$ ' as a variable. ( $- 2, 3, - 5, 6$ )

- 2 x^{3} + x^{2} - 5 x + 6

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- 2 x^{3} + 3 x^{2} - 5 x + 6

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2 x^{3} + 3 x^{2} + 5 x + 6

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x^{3} + 3 x^{2} - 5 x - 6

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Solution

The correct option is B $- 2 x^{3} + 3 x^{2} - 5 x + 6$
$(- 2, 3, - 5, 6)$
The polynomial in index form is $- 2 x^{3} + 3 x^{2} - 5 x + 6$

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2 x^{3} - 3 x^{2} - 5 x + 6

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