Question

how many middle terms are there in the (3x²-5)^10​

Answer 1

Given, (1−3x+3x

Middle term =

2n =(3n+1)

th

n term

Now consider the following

...(i)

Where T represents the term

Here the middle term is the (3n+1)

th

term.

Hence, r+1=3n+1

r=3n

Substituting in (i), we get

there are 3 terms

Answer 2

Answer:

There comes only 1 middle term.

Step-by-step explanation:

Opening a given term according to the binomial theorem yields 11 terms And n/2 +1 is used to find its medium layer.

Hope it helps you...

Please mark me as Brainliest...

HAPPY LEARNING...✨

:)