1.

Pls write down a poem on channge guna (good manners) in Punjabi language​

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Answer:

+ a) is a factor of x2 + px + Q

(-a)2 + p(-a) + q = 0

a2 - ap + q = 0 ...(i)

(X + a) is a factor of x2 + mx + n

(-a)2 + m (-a) + n = 0

a2 - am + n = 0 ...(ii)

From (i) and (ii),

-ap + am + q - n = 0

a(m - p) = n - q

a =



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