Question

if x21-20 is divided by x+1 find the riminder
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Answer 1

Step-by-step explanation:

let, p(x)=x21-20

x+1=0

=>x=0-1

=>x=-1

Then, the zero of x+1 is -1.

Then, p(-1)=(-1)21-20

p(-1)=-21-20

p(-1)=-41.(Ans)

Answer 2

${\huge{\pink{\underline{\underline{Answer}}}}}$

$\mathrm\blue{x²¹ - 20}$

$\mathrm\blue{\:take \:the \:x \:value \:as = !!}$

$\mathrm\blue{x + 1 = 0}$

$\mathrm\blue{x = -1}$

$\mathrm\blue{= ( -1 )²¹ - 20 }$

$\mathrm\blue{= -1 - 20 }$

$\mathrm\blue{= - 21}$