Question

Maths class 9 polynomials please answer the question from question no 5. (top till q5 enrichment)its very urgent!
$polynomals$

Answer 1

x^4+px^3+2x^2-3x+q
x^2-1=0
x = 1/-1
-1 rakhne pr
(-1)^4+p(-1)^3+2(-1)^2-3(-1)+q=0
1-p+2+3+q=0
q-p= -4 ... equation(1)

x = 1 rakhne pr
1^4+p(1^3)+2*1^2-3*1+q=0
1+p+2-3+q=0
p+q=0 ... equation(2)
equation(1+2)
-p+q= -4
p+q =0
_________
2q=-4
q= -2

p+q=0
p-2=0
p =2