Math, asked by 9Karan9, 11 months ago

Heyyy.....

Can u provide the answer to Q21​

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Answers

Answered by debismita
1

Answer:

⬆️⬆️⬆️⬆️⬆️⬆️⬆️⬆️⬆️⬆️⬆️⬆️

hope it could helpful

thanks!!

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Answered by rohitgupta81
1

Answer:

x^2-3x+2=0

Let @=alpha,$=beta.

@+$=3/1=3.

@$=2

  1. 1/@+1/$=@+$/@$=3/2.
  2. @^2+$^2=(@+$)^2-2@$=(3)^2-2×2=9-4=5.
  3. @/$+$/@=@^2+$^2/@$=5/2.
  4. @^3+$^3=(@+$)^3-3@$(@+$)=(3)^3-3×2×(3)=27-18=9.

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