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Harsh Thakur 5 perguntas

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11.The zeroes of x2–2x –8 are:
1. A(a)(2,-4)
2. B(b)(4,-2)
3. C(c)(-2,-2)
4. D(d)(-4,-4)
2The degree of the polynomial, x4 – x2 +2 is
1. A(a)2
2. B(b)4
3. C(c)1
4. D(d)0
3Zeroes of p(x) = x2-27 are:
1. A(a)±9√3
2. B(b)±3√3
3. C(c)±7√3
4. D(d)None of the above
4If one of the zeroes of the quadratic polynomial (k – 1)x2 + kx + 1 is –3, then the value of k is
1. A(A) 4/3
2. B(B) – 4/3
3. C(C) 2/3
4. D(D) – 2/3
5What is the quadratic polynomial whose sum and the product of zeroes is √2, ⅓ respectively?
1. A(a)3x2-3√2x+1
2. B(b)3x2+3√2x+1
3. C(c)3x2+3√2x-1
4. D(d)None of the above