Question

Question number 1,2,4
Class 9 - chapter 2
Polynomials

The first and appropriate answer will be marked as brainliest...

Answer 1

Step-by-step explanation:

Question no. 4

x+1=0

x=-1

put into p(x)

p(x)= 2xsquare+kx+root2

p(-1)=2(-1)(-1)+K(-1)+root2

=2+k-1+root2

-2+1/root2=k

-1/root2=k

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