1.

यदि बहुपद p(x)=x3 -2x2 +4x +k का एक शून्यक x = 1 हो, तो k का मान ज्ञात करें।​

Answer»

so x= 1 is a ZERO of polynomial p(x)

so

p(1) = 0

and

p(1) = x^3 -2x^2+4x +K

= (1)^3-2(1)^2+4(1)+k

= 1-2 +4+k

= 3+k

now p(1)= 0

so

3+k = 0

k= -3 ANSWER



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