Math, asked by vermarishita, 10 months ago

Please solve question number 19

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Answered by Anonymous

2

Answer:

x^2+2x+1=0

(X+1)^2=0

it will be a identity if...

k^2-6k +5= k^2-3k+2

-6k+3k=2-5

-3k=-3

k=1

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