If 13^143 + 143 is divided by 14, then the remainder is
Answers
SOLUTION
TO DETERMINE
The remainder when
is divided by 14
EVALUATION
Now
is divisible by 14
So the required Remainder = 2
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We have to find the remainder if 13¹⁴³ + 143 is divided by 14.
solution : 13¹⁴³ + 143 is divided by 14, right ?
it is clear that when we divide 143/14 we get remainder 3 so, remainder from 143 = 3
now we have to focus on 13¹⁴³.
13¹⁴³ = (14 - 1)¹⁴³
you should remember that,
if we divide a number (m × a ± b )ⁿ by m
remainder of (m × a ± b)ⁿ/m = remainder of bⁿ/m
so, 13¹⁴³ is divided by 14 = (14 - 1)¹⁴³ is divided by 14.
from above explanation,
reminder of (14 - 1)¹⁴³/14 = remainder of (-1)¹⁴³/14
we know, (-1)¹⁴³ = -1
so, remainder of (-1)¹⁴³/14 = -1
now the remainder of 13¹⁴³ + 143 = -1 + 3 = 2
Therefore 2 will be remainder if we divide 13¹⁴³ + 143 is divided by 14.
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