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In each of the following, find the va...

In each of the following, find the value of `k` for which the given value is a solution of the given equation: `7x^2+k x-3=0,\ \ x=2//3` (ii) `x^2-x(a+b)+k=0,\ \ x=a`

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RD SHARMA-QUADRATIC EQUATIONS-All Questions
  1. In each of the following, determine whether the given values are so...

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  2. In each of the following, determine whether the given values are so...

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  3. In each of the following, find the value of k for which the give...

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  4. In each of the following, find the value of k for which the give...

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  5. Determine, if 3 is a root of the equation given below: sqrt(x^2-4x+...

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  6. The product of two consecutive positive integers is 240. Formulate ...

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  7. The area of a rectangular plot is 528\ m^2 . The length of the p...

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  8. Rohan’s mother is 26 years older than him. The product of their age...

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  9. A train travels a distance of 480 km at a uniform speed. If the spe...

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  10. The product of two consecutive positive integers is 306. Form the q...

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  11. John and Jivanti together have 45 marbles. Both of them lost 5 marb...

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  12. A cottage industry produces a certain number of toys in a day. The ...

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  13. The height of a right triangle is 7cm less than its base. If the hy...

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  14. A train travels 360 km at a uniform speed. If the speed had been 5k...

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  15. Solve the following quadratic equations by factorization method: x^...

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  16. Solve the following quadratic equations by factorization method: 1/...

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  17. Solve by factorization: (x-4)(x+2)=0

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  18. Solve by factorization: (2x+3)(3x-7)=0

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  19. Solve by factorization: x^2-(sqrt(3)+1)x+sqrt(3)=0

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  20. Solve by factorization: 9x^2-3x-2=0

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