Yomom45689422 Yomom45689422
  • 03-09-2020
  • Mathematics
contestada

Use Pascal’s Triangle to determine the fifth term of the expansion of (x + 3)7

Respuesta :

ChoiSungHyun
ChoiSungHyun ChoiSungHyun
  • 03-09-2020

Answer:

2835x^5.

Step-by-step explanation:

By Binomial Theorem, T(r+1) = nCr * a^(r+1) * b^r.

Term 5 = 7C4 * x^5 * 3^4

= 35 * x^5 * 3^4

= 2835x^5.

Answer Link

Otras preguntas

Drag and drop one equation into the space provided which correctly shows the relationship between the variables in the table.
Assume a $1,000 Treasury bill is quoted to pay 8% and matures in 3 months. 1. How much interest would an investor receive? (10 pts)
Explain why the poles are colder than the tropics.?
An industrial outlet is discharging a 1.8 m/s waste stream with a BOD of 20 mg/L and a DO concentration of 1.5 mg/L into a river with a flow of 70 mº/s that con
Which matrix equation represents the system of equations? [4x - 2y = -7 3y = 5
cobbler is to shoes as florist is to
Someone please help me out!!
What is the molarity of a solution containing 9.0 moles of solute in 462 mL of solution
What happens when particles in a liquid speed up? A. they speed up and become a gas B. they speed up and become a solid C. they lose energy and become plasma D.
A certain 20-A circuit breaker trips when the current in it equals 20 A. What is the maximum number of 100-W light bulbs you can connect in parallel in an ideal