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JEE Main 26 Feb 2021 Shift 2 Solved Paper

Section: Mathematics
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Question : 73 of 89
 
Marks: +1, -0
If 0<a,b<1 and tan−1a+tan−1b=‌
Ï€
4
, then the value of (a+b)−(‌
a2+b2
2
)+(‌
a3+b3
3
)−(‌
a4+b4
4
)+... is
[26 Feb 2021 Shift 2]
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