Teaching EMRS PGT Mock Test 2023 Mathematics Quadratic Equations Sum and Product of Roots

If the ratio of roots of \(\rm ax^2+bx+c=0\) is r then the value of  \(\rm \frac{r}{(r+1)^2}\) is 

1
\(\rm \frac{c^2}{ b^2}\)
2
\(\rm \frac{ac}{ b^2}\)
3
\(\rm \frac{ b^2c}{a}\)
4
\(\rm \frac{ ba}{c}\)

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