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प्रश्न
The value of the polynomial 5x – 4x2 + 3, when x = –1 is ______.
पर्याय
– 6
6
2
–2
MCQ
रिकाम्या जागा भरा
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उत्तर
The value of the polynomial 5x – 4x2 + 3, when x = –1 is 6.
Explanation:
Let f(x) = 5x – 4x2 + 3
The value of f(–1) will be
f(–1) = 5 × (–1) – 4 × (–1)2 + 3
= –5 – 4 + 3
= –9 + 3
= 6
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