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If one zero of the polynomial `f(x)=(k^2+4)x^2+13 x+4k` is reciprocal of the other, then `k=` (a) `2` (b) `-2` (c) `1` (d) `-1`

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RD SHARMA ENGLISH-POLYNOMIAL-All Questions
  1. If alpha,\ beta are the zeros of the polynomial f(x)=x^2+x+1, then 1/a...

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  2. If alpha,\ beta are the zeros of the polynomial p(x)=4x^2+3x+7 , then ...

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  3. If one zero of the polynomial f(x)=(k^2+4)x^2+13 x+4k is reciprocal of...

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  4. If the sum of the zeros of the polynomial f(x)=2x^3-3k x^2+4x-5 is 6, ...

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  5. If alpha and beta are the zeros of the polynomial f(x)=x^2+p x+q , the...

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  6. If alpha,\ beta are the zeros of polynomial f(x)=x^2-p(x+1)-c , then (...

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  7. If alpha,\ beta are the zeros of the polynomial f(x)=x^2-p(x+1)-c such...

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  8. Figure 2.23 show the graph of the polynomial f(x) = ax² + bx + c for w...

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  9. Figure 2.23 shows the graph of the polynomial f(x)=a x^2+b x+c for wh...

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  10. If the product of zeros of the polynomial f(x)=a x^3-6x^2+11 x-6 is 4,...

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  11. If the product of two zeros of the polynomial f(x)=2x^3+6x^2-4x+9 is 3...

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  12. If the polynomial f(x)=a x^3+b x-c is divisible by the polynomial g(x)...

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  13. In Q. No 126, c= (a) b (b) 2b (c) 2b^2 (d) -2b

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  14. If one root of the polynomial f(x)=5x^2+13 x+k is reciprocal of the ot...

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  15. If alpha,\ beta,\ gamma are the zeros of the polynomial f(x)=a x^3+b x...

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  16. If two of the zeros of the cubic polynomial a x^3+b x^2+c x+d are each...

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  17. If two zeros of x^3+x^2-5x-5 are sqrt(5) and -sqrt(5) , then its third...

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  18. The product of the zeros of x^3+4x^2+x-6 is .............................

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  19. What should be added to the polynomial x^2-5x+4 , so that 3 is the zer...

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  20. What should be subtracted to the polynomial x^2-16 x+30 , so that 15 i...

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