Question

9. If one root of the quadratic equation is 3-2√5. what is the other root?
(A) 2+3/5 (B) 3-25 (C)3+25 (D) 2-3V5​

Answer 1

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Answer 2

Step-by-step explanation:

Given that one root of the quadratic equation is 3−2

5

Since the coefficients of the quadratic equation are real , the other root must be 3+2

5

The sum of roots will be 3−2

5

+3+2

5

=6

The product of roots will be (3+2

5

)(3−2

5

)=9−20=−11

So the quadratic equation will be x

2

−6x−11=0