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QJEEM19Ma6590: JEE Main 2019 Mathematics - Class 11 JEEM19Ma6590 Solution: The total number of irrational terms in the binomial expansion…
The total number of irrational terms in the binomial expansion of (71/5 – 31/10)60 is :
Multiple Choice Options
- A 54
- B 55
- C 49
- D 48
Step-by-Step Verified Solution
General term Tr+1 = 60Cr,
for rational term, r = 0, 10, 20, 30, 40, 50, 60
no of rational terms = 7
number of irrational terms = 54
for rational term, r = 0, 10, 20, 30, 40, 50, 60
no of rational terms = 7
number of irrational terms = 54