If in the expansion of \( (1+x)^{n}, a, b, c \) are three consecutive coefficients, then \( n= \...

Channel:
PW Solutions
Subscribers:
449,000
Published on ● Video Link: https://www.youtube.com/watch?v=y9A7KtUDaFI


Duration: 9:58
5 views
0

If in the expansion of \( (1+x)^{n}, a, b, c \) are three consecutive coefficients, then \( n= \)
(A) \( \frac{a c+a b+b c}{b^{2}+a c} \)
(B) \( \frac{a b+a c}{b^{2}-a c} \)
(C) \( \frac{2 a c+a b+b c}{b^{2}-a c} \)
(D) None of these
📲PW App Link - https://bit.ly/YTAI_PWAP
🌐PW Website - https://www.pw.live



Other Videos By PW Solutions


2022-11-16Find \( \frac{d y}{d x} \) in the following cases: \[ y=\sin ^{-1}\left(e^{\tan ^{-1} x}\right) \]
2022-11-16Write the following relations as the sets of ordered pairs: A relation \( R \) on the set \( \{0...
2022-11-16The mineral involved in water splitting reaction during photosynthesis are \( \ldots \ldots . A ...
2022-11-16To explain his theory, Bohr used (A) Conservation of linear momentum (B) Conservation of angular...
2022-11-16Evaluate \[ { }^{n+1} C_{n} \]
2022-11-16जलवायवीय कारकों के नाम लिखिए।
2022-11-16The number of different words which can be formed from the letters of the word LUCKNOW when the ...
2022-11-16Sycon is heterocoela.
2022-11-16In the ligure given helow, four cnpacitors are shown with their respective capacitics and the po...
2022-11-16If \( z \) is a complex number such that \( z^{2}=(z)^{2} \), then find the location of \( z \) ...
2022-11-16If in the expansion of \( (1+x)^{n}, a, b, c \) are three consecutive coefficients, then \( n= \...
2022-11-16If \( \frac{3 \pi}{4}\alpha\pi \), then \( \sqrt{2 \cot \alpha+\frac{1}{\sin ^{2} \alpha}} \) is...
2022-11-16If \( z_{1}, z_{2} \) are two nonzero complex numbers such that \( \left|z_{1}+z_{2}\right|=\lef...
2022-11-16When \( \mathrm{KMnO}_{4} \) acts as an oxidising agent and ultimately forms \( \mathrm{MnO}_{4}...
2022-11-16The basic character of the hydrides of Vth group elements decreases in the order: (A) \( \mathrm...
2022-11-16The general solution of the equation \( \frac{d y}{d x}=1+x y \) is (A) \( y=c e^{-x^{2} / 2} \)...
2022-11-16Find the particular solutions of the following differential equations: \( \frac{d y}{d x}=2 x y ...
2022-11-16In the reaction : \[ \mathrm{Cu}(s)+2 \mathrm{Ag}^{+}(a q) \longrightarrow \mathrm{Cu}^{2+}(a q)...
2022-11-16Current increases linearly with applied potential difference in a \( p-n \) diode.
2022-11-16Evaluate \[ \operatorname{Lim}_{x \rightarrow 0} \frac{3 x+|x|}{7 x-5|x|} \]
2022-11-16What is true for \( \mathrm{CO}_{2} \) concentration? (A) More in alveolar air than in atmospher...