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Find the value of `k` for which the equation `2k x^2-40 x+25=0` has equal roots. Also, find the roots.

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RD SHARMA ENGLISH-QUADRATIC EQUATIONS-All Questions
  1. Find the values of k for which the given equation has real roots...

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  2. Find the value of k for which the equation 9x^2-24 x+k=0 has equ...

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  3. Find the value of k for which the equation 2k x^2-40 x+25=0 has ...

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  4. Determine the nature of the roots of the following quadratic equatio...

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  5. Determine the nature of the roots of the following quadratic equatio...

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  6. Determine the nature of the roots of the following quadratic equatio...

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

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

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

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

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

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

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

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

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

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

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

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

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

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