Let the ratio of the fifth term from the beginning to the fifth term from the end in the binomial expansion of , in the increasing powers of be . If the sixth term from the beginning is , then α is equal to _______.
← JEE Main 2022 · 29 Jul · Shift 1
MathematicsInteger+4 / -1Question 25 of 90
JEE Main 2022 · 29 Jul · Shift 1, Mathematics question 25
Answer and worked solution
Official answer: 84
Ratio. , so .
Sixth term .
Answer: 84
Topics:General and middle terms