If the values p = 1 and q = –2 are the roots of the quadratic equation then the quadratic equation is *
1️⃣ x² + 2x –1 = 0
2️⃣ x² - x - 2 = 0
3️⃣ x² - 2x + 1 = 0
4️⃣ x² + x + 2 = 0
Answers
Answered by
92
Question:-
- If the values p = 1 and q = –2 are the roots of the quadratic equation then the quadratic equation is
To Find:-
- Find the equation.
Solution:-
Formula to be Used:-
Substitute the value of p in the equation:-
Hence ,
Answered by
27
☯GIVEN :
- p = 1 and q= - 2 are the roots of the quadratic equation.
☯TO FIND :
- Quadratic equation.
☯FORMULA REQUIRED :
➲SOLUTION :
We have,
- p = 1
- q = - 2
Hence, we can write as :
By substituting the value of p = 1 and q = -2 we get,
Quadratic equation = x² + x - 2 = 0.
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