The number of integral terms in the expansion of (71/2+51/6)78 is
a) 15
b) 14
c) 16
d) 0
I know the ans is b. But I want the method of solving it. What is the condition for finding the no. of integral terms?
The number of integral terms in the expansion of (71/2+51/6)78 is
a) 15
b) 14
c) 16
d) 0
I know the ans is b. But I want the method of solving it. What is the condition for finding the no. of integral terms?