Chrissii
Chrissii Chrissii
  • 03-09-2020
  • Mathematics
contestada

Expand (2x-5y)⁷ and find fourth form​

Respuesta :

ChoiSungHyun
ChoiSungHyun ChoiSungHyun
  • 03-09-2020

Step-by-step explanation:

By binomial theorem,

T(r+1) = nCr * a^(r+1) * b^r

Term 4 = 7C3 * (2x)^4 * (-5y)^3 = 35 * (16x^4) * (-125y^3) = -70000x^4y^3.

Answer Link

Otras preguntas

Select the stronger bond in the following group c=C C-F
Complete with the correct preterite form of the indicated verb. Tú lo ___________, ¿no? (tener) Question 10 options: tuviste tuve tienes
3. Higher taxes tend to
85< 17m < 136 compound inequality​
Determine the x- and y-intercepts of 2x+y=4 and graph the line x-intercept:(2, 0) y-intercepts: (0, 4)
Question 1 2.5 pts Socrates doctrine that moral excellence was inborn reflected his Sophistic training O True O False Next
Lisa swam 6 less than four times as many laps as Amanda. Brynne swam eight more than twice as many laps as Amanda. If Lisa and Brynne swam the same amount of la
please help me with this question
A run-on sentence can be fixed by adding ether a semicolon or a period to separate the two sentences.​
In soccer, When throwing in the ball for a throw-in a player may use one hand like a baseball throw?true or false​