Teaching DSSSB PRT Special Educator Mock Test Quantitative Aptitude Ratio and Proportion Third Proportional

The third proportional to (x2 – y2) and (x + y) is:

1
\(\frac{xy}{x-y}\)
2
\(\frac{x-y}{x+y}\)
3
\(\frac{x+y}{xy}\)
4
\(\frac{x+y}{x-y}\)
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