Home
Class 7
MATHS
The value of (2^(n+4)-2*2^(n))/(2.2^(n+3...

The value of `(2^(n+4)-2*2^(n))/(2.2^(n+3))+2^(-3)`

A

`2^(n+1)`

B

`2^(3)`

C

`2^(-3)`

D

1

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • POWERS AND ROOTS

    S CHAND IIT JEE FOUNDATION|Exercise SECTION-A (SELF ASSESSMENT SHEET-5(A))|10 Videos

  • POWERS AND ROOTS

    S CHAND IIT JEE FOUNDATION|Exercise SECTION-B SQUARE ROOTS AND CUBE ROOTS (QUESTION BANK 5(B))|22 Videos

  • POWERS AND ROOTS

    S CHAND IIT JEE FOUNDATION|Exercise SECTION-B SQUARE ROOTS AND CUBE ROOTS (SOLVED EXAMPLES)|10 Videos

  • POLYGONS AND QUADRILATERALS

    S CHAND IIT JEE FOUNDATION|Exercise Self Assessment Sheet|10 Videos

  • PROFIT AND LOSS AND DISCOUNT

    S CHAND IIT JEE FOUNDATION|Exercise SELF ASSESSMENT SHEET |10 Videos

Similar Questions

Explore conceptually related problems

Find the value of ( 2^(n+4) - 2 ( 2^n )) / ( 2(2^(n+3) )

The value of (6^(n) xx 2^(2n) xx 3^(3n))/(30^(n) xx 3^(2n) xx 2^(3n)) is equal to

The value of sum_(n=1)^(oo)(4n-2)/(3^(n))

The value of lim_(n to oo)((1)/(1^(3)+n^(3))+(2^(2))/(2^(3)+n^(3))+..........+(n^(2))/(n^(3)+n^(3))) is :

The value of sum (""^(n) C_(1) )^(2)+ (""^(n) C_(2) )^(2) + (""^(n) C_(3))^(2) + …+ (""^(n) C_(n) )^(2) is

(i) If (n!)/(2.(n-2)!): (n!)/(4!.(n-4)!) = 2:1 , find the valye of n. (ii) If ((2n)!)/(3!(2n-3)!): (n!)/(2!(n-2)!) = 44:3 , then find the value of n.

The value of lim_(n rarr oo)(1)/(n^(2)){(sin^(3)pi)/(4n)+2(sin^(3)(2 pi))/(4n)+...+n(sin^(3)(n pi))/(4n)} is equal to

Let 'sigma' denotes the sum of the infinite series sum_(n=1)^(n)((n^(2)+2n+3)/(2^(n))). Compute the value of (1^(3)+2^(3)+3^(3)+......+sigma^(3))

The value of lim_(n to oo) (2n^(2) - 3n + 1)/(5n^(2) + 4n + 2) equals

The value of lim_(nrarroo)((e^((1)/(n)))/(n^(2))+(2e^((2)/(n)))/(n^(2))+(3e^((3)/(n)))/(n^(2))+…+(2e^(2))/(n)) is

S CHAND IIT JEE FOUNDATION-POWERS AND ROOTS -SECTION-A (QUESTION BANK-5(A))
  1. The expression a^((2)/(3)){a^((1)/(3))(a^((1)/(4)))^(4)}^((1)/(4)) is ...

    Text Solution

    |

  2. Evaluate : ((3^(4))^(4)xx9^(6))/((27)^(7)xx3^(9))

    Text Solution

    |

  3. The value of (2^(n+4)-2*2^(n))/(2.2^(n+3))+2^(-3)

    Text Solution

    |

  4. The expression ((x+1/y)^adot(x-1/y)^b)/((y+1/x)^adot(y-1/x)^b) reduces...

    Text Solution

    |

  5. If (p/q)^(r x-s)=(q/p)^(p x-q) , then find the value of xdot

    Text Solution

    |

  6. If (ab^(-1))^(2x-1)=(ba^(-1))^(x-2) then what is the value of x?

    Text Solution

    |

  7. ((2^(m))/(2^(n)))^(t)xx((2^(n))/(2^(t)))^(m)xx((2^(t))/(2^(m)))^(n) is...

    Text Solution

    |

  8. Find the value of x when 4^(2x)=(1)/(32)

    Text Solution

    |

  9. If 2^(x+4)-2^(x+2)=3, then x is equal to

    Text Solution

    |

  10. [1-2(1-2)^(-1)]^(-1)

    Text Solution

    |

  11. In the expression (2^(x)+1)/((7)^(-1)+(2)^(-1))=14, the value of x is

    Text Solution

    |

  12. If m^(n).n^(m)=800, then the value of (n)/(m) is (m < n)

    Text Solution

    |

  13. If a^(2x+2)=1, where a is a positive real number other than 1, then x ...

    Text Solution

    |

  14. If 3^(x)-3^(x-1)=18, then x^(x) is equal to

    Text Solution

    |

  15. If x^(11)=y^(0) and x=2y, then y is equal to

    Text Solution

    |

  16. The value of ((5)^(0.25)xx(125)^(0.25))/((256)^(0.10)xx(256)^(0.15)) i...

    Text Solution

    |

  17. [3^(2^(3))-(3^(2))^(3)] is equal to

    Text Solution

    |

  18. If x^y=y^x , then (x/y)^(x/y) is equal to x^(y/x) b. x^(y/x-1) c. 1 d....

    Text Solution

    |

  19. If a and b are positive integers such that a^(b)=125, then (a-b)^(a+b-...

    Text Solution

    |

  20. Find the value of ((243)^(0.13) xx (243)^(0.07))/((7)^(0.25) xx (49...

    Text Solution

    |