JEE Main 26 Feb 2021 Shift 1 Solved Paper

Section: Mathematics

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Question : 61 of 90

Marks: +1, -0

If a and b are perpendicular, then a×(a×(a×(a×b))) is equal to

[26 Feb 2021 Shift 1]

0
‌
1
2
|a|4b
a×b
|a|4b

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