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The Unit digit in the expression (11¹ + 12² + 13³ + 14⁴ + 15⁵+ 16⁶) is:

Option 1)
$1$
Option 2)
$9$
Option 3)
$7$
Option 4)
6
Option 5)
$0$

Answers (1)

R rishi.raj

$1^{2}+2^{2}+3^{3}+4^{4}+5^{5}+6^{6}$

$1+4+7+6+5+6$

$29=9$

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