Solve ques(find theseventh ,......)
Kindly, refer to the below link for similar query,
https://www.meritnation.com/ask-answer/question/find-the-sixth-term-of-the-expansion-y1-2-x1-3-n-if-the/binomial-theorem/8546197
Regards.
https://www.meritnation.com/ask-answer/question/find-the-sixth-term-of-the-expansion-y1-2-x1-3-n-if-the/binomial-theorem/8546197
Regards.