Question

If x²¹+21 is divided by X + 1 then the remainder is​

Answer 1

Answer:

The answer is 20.

Step-by-step explanation:

from the question, we have

$x^{2} +21$

put x= -1 ( from x+1)

now substituting the values we get,

= $-1^{21} +21$

= -1 +21

= 20

the above is the required answer.