Home
Class 11
MATHS
Find r, if 5 xx ""^(4)P(r) = 6 xx ""^(5)...

Find r, if `5 xx ""^(4)P_(r) = 6 xx ""^(5)P_(r - 1)`.

Text Solution

Verified by Experts

The correct Answer is:
r = 3
Promotional Banner

Topper's Solved these Questions

  • ANNUAL EXAMINATION QUESTION PAPER - 1

    SUBHASH PUBLICATION|Exercise SECTION -D|10 Videos

  • ANNUAL EXAMINATION QUESTION PAPER - 1

    SUBHASH PUBLICATION|Exercise SECTION - E|4 Videos

  • ANNUAL EXAMINATION QUESTION PAPER - 1

    SUBHASH PUBLICATION|Exercise SECTION -B|14 Videos

  • ANNUAL EXAMINATION QUESTION PAPER - 2017 (NORTH) (WITH ANSWERS)

    SUBHASH PUBLICATION|Exercise Part - E (V.Answer any One question:)|4 Videos

Similar Questions

Explore conceptually related problems

Find r, if 5""^(4)P_(r)=6""^(5)P_(r-1)

Find r if .^(5)P_(r )= .^(6)P_(r-1)

Find r if .^(5)P_(r )=2 .^(6)P_(r-1)

Find the value of r, if (i) .^(11)P_(r)=990 (ii) .^(8)P_(5)+5*.^(8)P_(4)=.^(9)P_(r)

Find the value of n such that (""^(n)P_(4))/(""^(n-1)P_(4))=(5)/(3), n gt 4

If ,^(56)P_(r+6):^(54)P_(r+3)=30800 :1, find r .

Find the product: (-18) xx (-5) xx (-4)

The rate of a first order reaction : R rarr P is 7.5xx10^(-4) mol L^(-1) "s"^(-1) . The rate concentration of R is 0.5 mol L^(-1) . The rate constant is :

(vec r . i) (vec r xx i) +(vec r .j) (vec r xx j)+ (vec r . k)(vec r xx k)=

For any vector vec r , the value of i xx (vec r xx i) + j xx (vec r xx j) + k xx (vec r xx k) =