Thank you for registering.

One of our academic counsellors will contact you within 1 working day.

Please check your email for login details.
MY CART (5)

Use Coupon: CART20 and get 20% off on all online Study Material

ITEM
DETAILS
MRP
DISCOUNT
FINAL PRICE
Total Price: Rs.

There are no items in this cart.
Continue Shopping

If the coefficients of x 7 & x 8 in the expansion of [2+x/3] n are equal then the value of n is???

If the coefficients of x7& x8 in the expansion of [2+x/3]n are equal then the value of n is???
 

Grade:12

1 Answers

Sourabh Singh IIT Patna
askIITians Faculty 2104 Points
7 years ago
\binom{N}{7} (2)7(1/3)n-7 =[\binom{N}{8}](2)8(1/3)N-8

Use this equation to solve the question for the asked value of N.A linear equation will be formed in n WHICH WILL BE VERY EASY TO SOLVE .

Think You Can Provide A Better Answer ?

Provide a better Answer & Earn Cool Goodies See our forum point policy

ASK QUESTION

Get your questions answered by the expert for free