CBSE Class 10 Answered
Find the zeros of the following quadratic polynomials and verify the relationship between the zeros and the coefficients.
1. X²-3x-1
2. 2x²+4x-3
3. 5x²+7x+1
4. X²+x+1
Asked by ankitabehera09dps | 10 Mar, 2020, 20:51: PM
![straight x ² minus 3 straight x minus 1 equals 0
by space formula space method
straight x equals fraction numerator 3 plus-or-minus square root of 9 plus 4 end root over denominator 2 end fraction
sum space of space root space equals negative 3 equals fraction numerator negative open parentheses negative 3 close parentheses over denominator 1 end fraction equals fraction numerator negative straight b over denominator straight a end fraction
product space of space roots equals negative 1 equals straight c over straight a
similarly space for space other space examples](https://images.topperlearning.com/topper/tinymce/cache/9382b3ffab6d133f5c9011d6f3b567ce.png)
Answered by Arun | 14 Mar, 2020, 09:31: AM
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