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Find the values of p for whch the equad...

Find the values of `p` for whch the equadratic equation `(2p+1)x^2-(7p+2)x+(7p-3)=0`has equal roots

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RD SHARMA ENGLISH-QUADRATIC EQUATIONS-All Questions
  1. If the equation (1+m^2)x^2+2m c x+(c^2-a^2)=0 has equal roots, prove t...

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  2. If -5 is a root of the quadratic equation 2x^2+p x-15=0 and the quadra...

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  3. Find the values of p for whch the equadratic equation (2p+1)x^2-(7p+2...

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  4. If a x^2+b x+c=0 has equal roots, then c= (a)b/(2a) (b) b/(2a) (c) ...

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  5. The positive value of k for which the equation x^2+k x+64=0 and x^2-8x...

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  6. The value of sqrt(6+sqrt(6+sqrt(6+))) ..........is (a) 4 (b) 3 (c) ...

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  7. If the equation (a^2+b^2)x^2-2(a c+b d)x+c^2+d^2=0 has equal roots, th...

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  8. A pole has to be erected at a point on the boundary of a circular park...

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  9. If 1+sqrt(2) is a root of a quadratic equation with rational coefficie...

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  10. Write the sum of real roots of the equation x^2+|x|-6=0

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  11. If the equation x^2-a x+1=0 has two distinct roots, then (a)|a|=2 (b...

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  12. If one root of the equation 2x^2+b x+c=0 is three times the other, the...

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  13. If one root of the equation 4x^2-2x+(lambda-4)=0 be the reciprocal of ...

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  14. One fourth of a herd of camels was seen in the forest. Twice the squar...

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  15. Out of a group of swans 7/2 times the square root of the number are p...

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  16. The difference of the squares of two numbers is 45. The square of the ...

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  17. If the sum of first n even natural numbers is 420, find the value of ...

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  18. If 1 is the root of equation 3x^2+ax-2=0 and the quadratic equation a(...

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  19. The sum of the squares of three consecutive natural numbers is 149. ...

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  20. The sum of two numbers is 9. The sum of their reciprocals is ½. Find ...

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