Home
Class 10
MATHS
Solve for x, when sqrt(2x^2 + 9) + sqrt(...

Solve for x, when `sqrt(2x^2 + 9) + sqrt(2x^2 - 9) = 9 + 3sqrt7`

A

6

B

-6

C

`pm 6`

D

`pm (3)/(sqrt2)`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • Quadratic equation in one variable

    UNITED BOOK HOUSE|Exercise Exercise |30 Videos
  • QUESTION PAPER 2019

    UNITED BOOK HOUSE|Exercise Exercise |53 Videos

Similar Questions

Explore conceptually related problems

Solve for x : sqrt3x^2 - 2sqrt2x - 2sqrt3 = 0

Solve sqrt(x-2)+sqrt(4-x)=2.

Evaluate : 3sqrt(-12) + 2 sqrt(-9)

int sqrt(4-9x^(2))dx

Evaluate : 3sqrt(-4) + 2 sqrt(-9)

Evaluate : 5sqrt(-9) + 2 sqrt(-4)

solve : sqrt(a^2+x^2)(dy)/(dx)+y= sqrt(a^2+x^2)-x

Solve for x :(5+2sqrt(6))^(x^2-3)+(5-2sqrt(6))^(x^2-3)=10.

Solve sqrt(3x^2-7x-30)-sqrt(2x^2-7x-5)=x-5.

Find all the possible the value of the following expression dot sqrt(x^2-4) (ii) sqrt(9-x^2) (iii) sqrt(x^2-2x+10)

UNITED BOOK HOUSE-Quadratic Surds-Exercise
  1. Which of the numbers below is a surd?

    Text Solution

    |

  2. sqrt507 in simplest from is equal to

    Text Solution

    |

  3. 12sqrt48 + sqrt343 - 3sqrt112 - 4sqrt75 is equal to

    Text Solution

    |

  4. 2sqrt10 times sqrt3 times 2sqrt2 is equal to

    Text Solution

    |

  5. Rationalize denominator (1)/(1 - sqrt2 + sqrt3)

    Text Solution

    |

  6. a and b are rational and sqrt48 - sqrt75 + sqrt16 =a + bsqrt3, then a,...

    Text Solution

    |

  7. Find square root of x + y + z + 2 sqrt(yz) + 2sqrt(zx) + 2sqrt(xy)

    Text Solution

    |

  8. Find the value of (x^3 - 7x^2 + 13x + 17) when x = 2 + sqrt3

    Text Solution

    |

  9. Given x = 1 + sqrt2 + sqrt3, then find the value of (2x^4 - 8x^3 - 5x^...

    Text Solution

    |

  10. Solve for x, when sqrt(2x^2 + 9) + sqrt(2x^2 - 9) = 9 + 3sqrt7

    Text Solution

    |

  11. The value of sqrt(2 sqrt(3sqrt(2sqrt(3.......prop)))) is equal to

    Text Solution

    |

  12. The value of sqrt2 + sqrt2 + sqrt2 + sqrt + ……… prop is equal to

    Text Solution

    |

  13. Simplified value of sqrt-sqrt3 + sqrt3 + 8 sqrt7 + 4sqrt3 is

    Text Solution

    |

  14. x = (sqrt3 + 1)/(sqrt3 - 1) and y = (sqrt3 - 1)/(sqrt3 + 1). Then (x^2...

    Text Solution

    |

  15. The square root of (33 - 4sqrt35) is

    Text Solution

    |

  16. The square root of root of 5 + sqrt6 - sqrt10 - sqrt15 is

    Text Solution

    |

  17. If x(3sqrt5 + 2sqrt2) - sqrt2(sqrt10 - 1)y = sqrt10(2sqrt2 + sqrt5) th...

    Text Solution

    |

  18. When x = (sqrt3)/(2), the value of ((1 + x)/(1 + sqrt1 + x) + (1- x)/(...

    Text Solution

    |

  19. (3sqrt7)/(sqrt5 + sqrt2) - (5sqrt5)/(sqrt2 + sqrt7) + (2sqrt2)/(sqrt7 ...

    Text Solution

    |

  20. The simplified value of ((sqrtax)/(sqrta + sqrtx - sqrta + x) - (sqrta...

    Text Solution

    |