Mark the correct alternative in each of the following: If the coefficients of the \( (n+1)^{\tex...

Channel:
PW Solutions
Subscribers:
445,000
Published on ● Video Link: https://www.youtube.com/watch?v=XtY1_eqEbj4


Duration: 3:51
0 views
0

Mark the correct alternative in each of the following:
If the coefficients of the \( (n+1)^{\text {th }} \) term and the \( (n+3)^{\text {th }} \) term in the expansion of \( (1+x)^{20} \) are equal, then the value of \( n \) is
(A) 10
(B) 8
(C) 9
(D) none of these
📲PW App Link - https://bit.ly/YTAI_PWAP
🌐PW Website - https://www.pw.live



Other Videos By PW Solutions


2022-11-16अभिक्रियाओं के लिए समीकरण दीजिए- फ़ीनॉल की जलीय \( \mathrm{NaOH} \) की उपस्थिति में क्लोरोफार्म ...
2022-11-16A compound contains three elements \( A, B \) and \( C \), if the oxidation of \( A=+2, B=+5 \) ...
2022-11-16What happens when a lyophilic sol is added to a lyophobic sol? (a) Lyophilic sol gets protected ...
2022-11-16यदि \( l_{1}, l_{2} \) तथा \( l_{3} \) किसी ट्रांजिस्टर की क्रमश: उत्सर्जक, आधार तथा संग्राहक की...
2022-11-16Assertion (A): A liquid crystallises into solid and is accompanied by decrease in entropy. Reaso...
2022-11-16An electric heater supplies heat to a system at a rate of \( 100 \mathrm{~W} \). If the system d...
2022-11-16समीकरण \( 2 p y^{2}-8 y+p=0 \) में \( p \) का ऐसा मान ज्ञात कीजिए जिससे समीकरण के मूल बराबर हो जाएँ।
2022-11-16In the circuit shown in Fig. \( 3.45 \) the source have emf's \( \mathscr{E}_{1}=1.5 \mathrm{~V}...
2022-11-16To generate a power of \( 3.2 \) mega watt, the number of fissions of \( \mathrm{U}^{235} \) per...
2022-11-16STD का सम्पूर्ण रूप लिखिए ?
2022-11-16Mark the correct alternative in each of the following: If the coefficients of the \( (n+1)^{\tex...
2022-11-16Draw a plot showing the variation of photoelectric current versus the intensity of incident radi...
2022-11-16Which of the following Lewis dot structure of \( \mathrm{CO}_{2} \) is incorrect? (a) \( : \ddot...
2022-11-16A battery, with potential \( V \) across it, is connected to a combination of two identical resi...
2022-11-16Content not found
2022-11-16Select the correct combination of statements (I-IV) regarding the characteristics of certain org...
2022-11-16An open jar of water moves in a vertical circle of radius \( 0.50 \mathrm{~m} \) with a frequenc...
2022-11-16Helium is two times heavier than hydrogen. The average kinetic energy of the helium molecule at ...
2022-11-16Which is not correct in case of catalyst? (A) A catalyst is active only in solution (B) The addi...
2022-11-16As a result of some process the pressure of an ideal gas increases \( n \)-fold. How many times ...
2022-11-16Which of the following substances will have least CMC value? (a) \( \mathrm{C}_{6} \mathrm{H}_{1...