Home
Class 11
MATHS
1/(6!)+1/(7!)=x/(8!),f i n dx...

`1/(6!)+1/(7!)=x/(8!),f i n dx`

Text Solution

Verified by Experts

The correct Answer is:
n = 64
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • PERMUTATIONS AND COMBINATIONS

    MODERN PUBLICATION|Exercise NCERT FILE EXERCISE 7.1|6 Videos

  • PERMUTATIONS AND COMBINATIONS

    MODERN PUBLICATION|Exercise NCERT FILE EXERCISE 7.2|5 Videos

  • PERMUTATIONS AND COMBINATIONS

    MODERN PUBLICATION|Exercise OBJECTIVE TYPE QUESTIONS (C ) TRUE/FALSE QUESTIONS|5 Videos

  • MOCK TEST

    MODERN PUBLICATION|Exercise SECTION - D|5 Videos

  • PROBABILITY

    MODERN PUBLICATION|Exercise CHAPTER TEST|12 Videos

Similar Questions

Explore conceptually related problems

1/(6i)+1/(7i)=x/(8i)

If(1)/(6!)+(1)/(7!)=(X)/(8!), thenx =

Knowledge Check

  • If 1/(6!)+1/(7!)=x/(8!) , then the value of x is

    A
    63
    B
    64
    C
    66
    D
    65

  • f'(dx)/((x+6)^(8//7)(x-8)^(6//7)) is equal to

    A
    `((x+6)/(x-8))^(1/7)+e`
    B
    `((x-8)/(x+6))^(1/7)+e`
    C
    `1/2((x-8)/(x+6))^(1/7)+e`
    D
    None of these

  • Let f(x) = {{:((x)/(sin x) ",",x in (0","1)),( 1",", x=0):} Consider the integral I_n = sqrt(n) int_(0)^(1//n) f (x) e^(-nx) dx then lim_( n to oo) I_n

    A
    does not exist
    B
    exists and is 0
    C
    exists and is 1
    D
    exists and is `1 – e^(–1)`

    • Similar Questions

    Explore conceptually related problems

    int1/(7x^2-8)dx

    f(x) is a continuous function for all real values of x and satisfies int_(n+1)^(n+1)f(x)dx=(n^(2))/(2)AA n in I. Then int_(5)^(5)f(|x|)dx is equal to (19)/(2) (b) (35)/(2) (c) (17)/(2) (d) none of these

    f(x)>0AAx in Ra n di sbou n d e ddotIf (lim)_(nvecoo)[int_0^a(f(x)dx)/(f(x)+f(a-x))+a^2+aint_a^(2a)(f(x)dx)/(f(x)+f(3a-x))+int_(2a)^(3a)(f(x)dx)/(f(x)+f(5a-x))++a^(n-1)int_((n-1)a)^(n a)(f(x)dx)/(f(x)+f[2n-1)a-x])]=7//5 (where a<1), then a is equal to 2/7 (b) 1/7 (c) (14)/(19) (d) 9/(14)

    Let f : R to R be continuous function such that f (x) + f (x+1) = 2, for all x in R. If I _(1) int_(0) ^(8) f (x) dx and I _(2) = int _(-1) ^(3) f (x) dx, then the value of I _(2) +2 I _(2) is equal to "________"

    If 8f(x)+6f((1)/(x))=x+5 and y=x^(2)(f(x), then (dy)/(dx) at x=-1 is equal to 0( b) (1)/(14)(c)-(1)/(4)(d) None of these

    Home
    Profile