Answer :

Answer:

4375x^4.

Step-by-step explanation:

There is a useful formula for answering these type of questions. It is:

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

4th term = (3 + 1)th term of (x + 5)^7

= 7C3 x^(7-3) 5^3

= 35 x^4 * 125

= 4375x^4.

Thanks for taking the time to read Find the 4th term of tex x 5 7 tex A tex 35x 4 tex B tex 4375x 4 tex C tex 21 875x 3. We hope the insights shared have been valuable and enhanced your understanding of the topic. Don�t hesitate to browse our website for more informative and engaging content!

Rewritten by : Barada

Answer:

B. 4375x^4

Step-by-step explanation:

Firstly, you can just multiply it and look at the fourth term or use the binomial theorem. Either way it's B.