Home
Class 11
MATHS
Find n if ^(n-1)P3:^nP4=1:9...

Find n if `^(n-1)P_3:^nP_4=1:9`

Text Solution

Verified by Experts

The correct Answer is:
n=9
Promotional Banner

Topper's Solved these Questions

  • PERMUTATIONS AND COMBINATIONS

    CBSE COMPLEMENTARY MATERIAL|Exercise Section - C(Short answer type question)|21 Videos

  • PERMUTATIONS AND COMBINATIONS

    CBSE COMPLEMENTARY MATERIAL|Exercise Section - D(Long answer type question)|17 Videos

  • PERMUTATIONS AND COMBINATIONS

    CBSE COMPLEMENTARY MATERIAL|Exercise SECTION-A(TRUE/FALSE)|5 Videos

  • MATHEMATICAL REASONING

    CBSE COMPLEMENTARY MATERIAL|Exercise SECTION-B SHORT ANSWER TYPE QUESTIONS|5 Videos

  • PRACTICE PAPER DESIGN - I

    CBSE COMPLEMENTARY MATERIAL|Exercise SECTION -D|6 Videos

Similar Questions

Explore conceptually related problems

Find n if .^(n-)P_(3): .^(n)P_(4) = 1:9 .

Find n if hat r(n-1)P_(3):^(n)P_(4)=1:9

Find n if "^nP_3 : ^(n+1)P_3 = 5:12

Find n if ,,n-1P_(3)quad :^(n)P_(4)=1:9

Find the value of r if "^(n-1)P_r : ^nP_r = 2:3 and "^nC_r :^(n+1)C_r = 9:13 , then find n and r

Find n if ""^(n)P_(4)=18 ""^(n-1)P_3

(i) If ""^(n)P_(4): ""^(n)P_(5)=1:2 , find n. (ii) If ""^(n-1)P_(3): ""^(n+1)P_(3)=5:12 , find n.

Find the value of if n if "^(n+1)P_3 = 4^(n)P_2