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Solve : (i) x^(2)-11x-12=0, when xepsi...

Solve :
(i) `x^(2)-11x-12=0`, when `xepsilonN`
(ii) `x^(2)-4x-12=0`, when `xepsilonI`
(iii) `2x^(2)-9x+10=0`, when `xepsilonQ`.

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ICSE-QUADRATIC EQUATIONS-Exercise 5(E)
  1. Solve the following equation: (2x)/(x-3)+(1)/(2x+3)+(3x+9)/((x-3)(2x...

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  2. Solve each of the following equations : (2x+3)^(2)=81

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  3. Solve each of the following equations : a^(2)x^(2)-b^(2)=0

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  4. Solve each of the following equations : x^(2)-(11)/(4)x+(15)/(8)=0

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  5. Solve the following equation: x+(4)/(x)=-4, x ne 0

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  6. Solve the following equation : 2x^(4)-5x^(2)+3=0

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  7. Solve equation : x^(4)-2x^(2)-3=0

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  8. Solve equation : 9(x^(2)+(1)/(x^(2)))-9(x+(1)/(x))-52=0

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  9. Solve equation : 2(x^(2)+(1)/(x^(2)))-(x+(1)/(x))=11

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  10. Solve each of the following equations : (x^(2)+(1)/(x^(2)))-3(x-(1)/...

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  11. Solve each of the following equations : (x^(2)+5x+4)(x^(2)+5x+6)=120

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  12. Solve each of the following equations, giving answer upto two decimal ...

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  13. Solve : ((x)/(x+2))^(2)-7((x)/(x+2))+12=0, x ne -2.

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  14. Solve : (i) x^(2)-11x-12=0, when xepsilonN (ii) x^(2)-4x-12=0, whe...

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  15. Solve : (a+b)^(2)x^(2)-(a+b)x-6=0,a+b ne 0.

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  16. Solve : (1)/(p)+(1)/(q)+(1)/(x)=(1)/(x+p+q)

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  17. Solve : (i) x(x+1)+(x+2)(x+3)=42 (ii) (1)/(x+1)-(2)/(x+2)=(3)/(x+3...

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  18. For each equation, given below, find the value of 'm' so that the equa...

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  19. Without solving the following quadratic equation, find the value of 'p...

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  20. Without solving the following quadratic equation, find the value of 'm...

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