JEE Mains Model Paper 6

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Question : 10 of 90
 
Marks: +1, -0
The value of x (x ∈ N) for which the 6th term of [2log(103x)+(2(x2)log3)
1
5
]
m
m ∈ N isequal to 21 and binomial coefficients of the second, third and fourth terms are respectively the first,third and fifth terms of an A.P
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