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Maths CBSE Live product
Class 9
Polynomials
PT2 Revision II- Polynomials
3.
Exemplar - Root of polynomial
Question:
3
m.
1. If \(p(x)=x^2-2\sqrt{2}x+1\), then find \(p(2\sqrt{2})\)
\(8\sqrt{2}+1\)
\(1\)
\(4\sqrt{2}\)
\(0\)
2. If \(p(x) = x + 3\), then \(p(x) + p(–x)\) is equal to
\(6\)
\(2x\)
\(3\)
\(0\)
3. The value of the polynomial \(5x – 4x^2 + 3\), when \(x = –1\) is
\(-6\)
\(6\)
\(2\)
\(-2\)
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