For $p (x) = 3 x^{2} - 5 x, p (6) =$

36

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72

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78

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77

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Solution

The correct option is D $78$
The polynomial given to us is $p (x) = 3 x^{2} - 5 x$ after substituting the value of $x = 6$ in the polynomial:
$p (6) = 3 (6)^{2} - (5 \times 6) = (3 \times 36) - 30 = 108 - 30 = 78$
Hence, $p (6) = 78$ .

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