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Find the values of k for which 5x^2-4...

Find the values of `k` for which `5x^2-4x+2+k(4x^2-2x-1)=0` has real and equal roots.

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RD SHARMA-QUADRATIC EQUATIONS-All Questions
  1. Find the values of k for which the roots are real and equal in t...

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  2. Find the values of k for which (k+1)x^2-2(3k+1)x+8k+1=0 has real an...

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  3. Find the values of k for which 5x^2-4x+2+k(4x^2-2x-1)=0 has real an...

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  4. Find the values of k for which (4-k)x^2+(2k+4)x+(8k+1)=0 has real a...

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  5. Find the values of k for which (2k+1)x^2+2(k+3)x+(k+5)=0 has real a...

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  6. Find the values of k for which 4x^2-2(k+1)x+(k+4)=0 has real and eq...

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  7. Find the values of k for which the roots are real and equal in t...

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  8. Find the values of k for which the roots are real and equal in t...

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  9. Find the values of k for which the roots are real and equal in t...

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  10. Find the values of k for which the roots are real and equal in t...

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  11. In the following, determine the set of values of k for which the...

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  12. In the following, determine the set of values of k for which the...

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  13. In the following, determine the set of values of k for which the...

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  14. In the following, determine the set of values of k for which the...

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  15. Find the values of k for which the given quadratic equation has ...

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  16. The sum of a number and its reciprocal is 2 1/(30) . Find the numbe...

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  17. A two digit number is such that the product of the digits is 14. Wh...

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  18. Divide 16 into two parts such that twice the square of the larger p...

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  19. The sum of the squares of two positive integers is 208. If the squa...

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  20. If the sum of n successive odd natural numbers starting from 3 is 4...

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