92011 92011
  • 19-07-2018
  • Mathematics
contestada

middle term (√x+√y)^8

Respuesta :

Аноним Аноним
  • 19-07-2018

There is 9 terms in the expansion so the middle term is the 5th.


(r + 1)th term of (a + b)^n = nCr a^(n-r) b^r


So here 5th term = (4 + 1)th term


= 8C4 (x^1/2)^(8-4) (y^1/2)^4


= 70 x^2 y^2 answer

Answer Link

Otras preguntas

properly defined the primary part of a CPU​
which of the following is considered an IT career
What is a common challenge or problem with backgrounds?
Which of these is the algebraic expression for some number to the power five
A rabbit can run at a speed of 35 mph. This is 7/9 of the fastest speed of an elk. How fast can an elk run?
proof of this trig identity​
**GIVING OUT BRAINLIEST PLS HELP** Which inequality represents the graph below?
Which of the scientists responsible for cell theory would be the most likely to write a book titled Cells Come from Cells
Please help. Read the passage and choose the answer to the question about purpose or tone.
The unit often used in chemistry and physics to measure energy, such as for work or electrical current, is the . We can also use this unit, as we did in this la