Find \( a, b \) and \( n \) in the expansion of \( (a+b)^{n} \) if ...

Channel:
PW Solutions
Subscribers:
445,000
Published on ● Video Link: https://www.youtube.com/watch?v=A4ztEaHsJEk


Duration: 7:23
28 views
0

Find \( a, b \) and \( n \) in the expansion of \( (a+b)^{n} \) if the first three terms of the expansion are 729,7290 and 30375 , respectively.
P
W
📲PW App Link - https://bit.ly/YTAI_PWAP
🌐PW Website - https://www.pw.live



Other Videos By PW Solutions


2023-02-13The circle \( x^{2}+y^{2}-6 x-4 y+9=0 \) bisects the circumference ...
2023-02-13Which of the following pair has electron deficient compounds ? \( \...
2023-02-13\( \mathrm{SO}_{2} \) pollution is indicated by (a) Sphagnum ( moss...
2023-02-13The locus of the middle points of the chords of the circle of radiu...
2023-02-13A sample of water from a large swimming pool has a resistance of \(...
2023-02-13A compound ' \( X \) ' is made by saturating solution of ' \( Y \) ...
2023-02-13Eutrophication is caused by (a) Increase nutrient concenteration P ...
2023-02-13Read the following extract/source carefully and answer the followin...
2023-02-13If two angles of a triangle are complementary, then what type of triangle will be formed?
2023-02-13Find the expansion of \( \left(3 x^{2}-2 a x+3 a^{2}\right)^{3} \) ...
2023-02-13Find \( a, b \) and \( n \) in the expansion of \( (a+b)^{n} \) if ...
2023-02-13What is the common between the three angles of a triangle and a linear pair?
2023-02-13The coordinates of two points \( P \) and \( Q \) are \( (2,3) \) a...
2023-02-13Source and observer both start moving simultaneously from origin, o...
2023-02-13Nitrates of alkaline earth metals can be prepared by dissolution of...
2023-02-13Each of these questions contains an assertion followed by reason. Read them \( \mathrm{P} \) car...
2023-02-13What is economic inequality ? P Key Concept \( \rightarrow \) Democ...
2023-02-13\( \mathrm{P} \) According to Lewis dot structure the number of bon...
2023-02-13Which of the following organism is likely to have more concentratio...
2023-02-13How many terms of the A.P. \( -6,-\frac{11}{2},-5, \ldots \) are ne...
2023-02-13If two supplementary angles are in the ratio \( 13: 5 \), then find the angles.


Tags:
pw