Home
Class 9
MATHS
If x=2,y=4, then what is the value of x+...

If `x=2,y=4`, then what is the value of `x+2y+sqrt((x-2y)^2)`?

Text Solution

Verified by Experts

The correct Answer is:
16
Promotional Banner

Topper's Solved these Questions

  • LAWS OF INDICES

    CALCUTTA BOOK HOUSE|Exercise EXERCISE - 6|67 Videos

  • HISTOGRAM AND FREQUENCY POLYGON

    CALCUTTA BOOK HOUSE|Exercise EXERCISE-2|16 Videos

  • LINEAR EQUATIONS

    CALCUTTA BOOK HOUSE|Exercise EXERCISE - 4.2|77 Videos

Similar Questions

Explore conceptually related problems

What will be the value of 5x xx 2x^2y xx 2y

If x^2+y^2=4 then find the maximum value of (x^3+y^3)/(x+y)

If x ,y in R satify the equation x^2+y^2-4x-2y+5=0, then the value of the expression [(sqrt(x)-sqrt(y))^2+4sqrt(x y)]//(x+sqrt(x y)) is a. sqrt(2)+1 b. (sqrt(2)+1)/2 c. (sqrt(2)-1)/2 d. (sqrt(2)+1)/(sqrt(2))

(a) If x : y = 3 : 4 , then find the value of the ratio (2x + y) : ( 9x - 2y) . (b) If x : y = 5 : 4 , then find the value of the ratio (x^(2) + xy) : (x^(2) - xy) .

If x^2+y^2-4x-6y+13=0 , then find the value of (x+y):(y-x).

If x , y in R satisfies (x+5)^2+(y-12)^2=(14)^2, then the minimum value of sqrt(x^2+y^2) is__________

If x : y = 1 : 2 , then the value of the ratio (x + 2y) : (2x + 9y) is -

The point (x , y) lies on the line 2x+3y=6. The smallest value of the quantity sqrt(x^2+y^2) is mdot then the value of sqrt(13) m is_______

If (x-y)^2 = 4 - 4y + y^2 , then let's find the value of x.

If (x,y) lies on the ellipse x^(2)+2y^(3) = 2 , then maximum value of x^(2)+y^(2)+ sqrt(2)xy - 1 is

CALCUTTA BOOK HOUSE-LAWS OF INDICES-EXERCISE - 6
  1. If a^(m^n)= (a^m)^n, then express m in terms of n.

    Text Solution

    |

  2. If a^m a^n =a^(mn), then express m in terms of n.

    Text Solution

    |

  3. If x=2,y=4, then what is the value of x+2y+sqrt((x-2y)^2)?

    Text Solution

    |

  4. Which one is the greatest ? 3^(2^(2^2)), 3^(2.2.2), 3.2.2.2.

    Text Solution

    |

  5. Find the value of root(3)(x^4sqrt(x^(-5)sqrt(x^6))).

    Text Solution

    |

  6. Calculate : ((1)/(81))^(-5/4).

    Text Solution

    |

  7. Calculate : {root(3)(4)xx(1)/(root(6)(8))xxroot(12)(2^(-1))}^(3/4).

    Text Solution

    |

  8. Simplify : x^(1/3).x^(-1/4).x^(-1/2) divx^(-(7)/(12))

    Text Solution

    |

  9. Simplify : root(4)(a^2b^3c^4)xxroot(3)(a^4b^6)xx(a^(1/2)b^(1/3)c^(1/4)...

    Text Solution

    |

  10. Simplify : {(a)^(n^(2)-1)}^((n)/(n+1))xx(sqrt(a^(2n)))/(a).

    Text Solution

    |

  11. Simplify : ((p+(1)/(q))^m(p-(1)/(q))^n)/((q+(1)/(p))^m(q-(1)/(p))^n).

    Text Solution

    |

  12. Simplify : (2^n.6^(m+1).10^(m-n).15^(m+n-2))/(4^m.3^(m+n).25^(m-1)).

    Text Solution

    |

  13. Simplify : (x^((b+c)/(c-a)))^((1)/(a-b))xx(x^((c+a)/(a-b)))^((1)/(b-c)...

    Text Solution

    |

  14. Simplify : (a+b)^mxx(a-b)^mxx(a^2+b^2)^m.

    Text Solution

    |

  15. Simplify : ({(a^m)^(1/r)(a^q)^(1/n)}^(nr))/({root(q)(b^n)(root(m)(b))^...

    Text Solution

    |

  16. Simpify : (1)/((4x^3-3x)^2)-{((3sqrt(1-x^2))/(x)-((1-x^2)^(3/2))/(x^3)...

    Text Solution

    |

  17. Simplify : (1)/(1+x^(m-n)+x^(m-p))+(1)/(1+x^(n-p)+x^(n-m))+(1)/(1+x^(p...

    Text Solution

    |

  18. Compute the product : (x^n -y^(-n))(x^n +y^(-n)).

    Text Solution

    |

  19. Compute the product : (a^(-m)+b^n)(a^(-2m)-a^(-m)b^n+b^(2n)).

    Text Solution

    |

  20. Compute the division : (a^(3^n)-b^(3^n))/(a^(3^(n-1))-b^(3^(n-1))).

    Text Solution

    |