Math, asked by shravzz48, 4 months ago

What’s the answer please ?

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Answered by kushalvarma

0

Answer:

d

Step-by-step explanation:

roots will be equal if b^2-4ac=0

so b^2-4*9*81=0

b^2=2^2*3^6

b=plus or minus 2*3^3

b=±54

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