If \( { }^{n-1} \mathrm{C}_{r}:{ }^{n} \mathrm{C}_{r}:{ }^{n+1} \mathrm{C}_{r}=6: 9: 13 \), find...

Channel:
PW Solutions
Subscribers:
449,000
Published on ● Video Link: https://www.youtube.com/watch?v=VLgvCDp_w5Q


Duration: 5:32
2 views
0

If \( { }^{n-1} \mathrm{C}_{r}:{ }^{n} \mathrm{C}_{r}:{ }^{n+1} \mathrm{C}_{r}=6: 9: 13 \), find \( n \) and \( r \).
📲PW App Link - https://bit.ly/YTAI_PWAP
🌐PW Website - https://www.pw.live



Other Videos By PW Solutions


2022-11-17Find the minimum thickness of a film with refractive index \( 1.33 \) at which light with wavele...
2022-11-17The \( J \)-shaped part of the alimentary canal in human digestive system is (A) Colon (B) Stoma...
2022-11-17Descent with modification' is the central theme of evolution.
2022-11-17यौंन से पोष्ड पदार्थ शीचा ही छोटी ऑँत वी कोशिकाओं धारा अतशोष्बित नतर लिलो जाते हैं ?
2022-11-17\( \mathrm{SO}_{2} \) की उपस्थिति का पता कैसे लगाया जाता है?
2022-11-17If \( A \) is a \( 3 \times 4 \) matrix and \( B \) is a matrix such that \( A^{I} B \) and \( B...
2022-11-17Find the oxidation number of the element in bold in the species : \[ \mathrm{S}_{2} \mathrm{O}_{...
2022-11-17The sum of 4 arithmetic means between 3 and 23 is
2022-11-17A small but measurable current of \( 1.2 \times 10^{-10} \mathrm{~A} \) exists in a copper wire ...
2022-11-17The function \( f(x)=\sin ^{-1}(\cos x) \) is (A) discontinuous at \( x=0 \). (B) continuous at ...
2022-11-17If \( { }^{n-1} \mathrm{C}_{r}:{ }^{n} \mathrm{C}_{r}:{ }^{n+1} \mathrm{C}_{r}=6: 9: 13 \), find...
2022-11-17A closed vessel with rigid walls contains \( 1 \mathrm{~mol} \) of \( { }_{92}^{238} \) Uand \( ...
2022-11-17Find the point of inflection for \( f(x)=\sin x \).
2022-11-17Statement I: When a cell is charged by connecting its positive electrode with positive terminal ...
2022-11-17Cuticle is secreted from (A) Epidermis (B) Endodermis (C) Both (a) and (b) (D) Hypodermis
2022-11-17A person uses a lens of power \( +3 \mathrm{D} \) to normalise vision. Near point of hypermetrop...
2022-11-17कीजिए- \( { }^{9} P_{3} \)
2022-11-17One metallic sphere \( \mathbf{A} \) is given positive charge whereas another identical metallic...
2022-11-17How much kcal energy is produced during aerobic respiration?
2022-11-17Area lying in the first quadrant and bounded by the curve \( y=x^{3} \) and the line \( y=4 x \)
2022-11-17In fluorite structure \( 50 \% \) of the tetrahedral voids are occupied by anions.