Please enter the following details
Free Daily Targets & Mocks
Study Material & Formulas PDFs
1 on 1 Mentorship
Solution
Given : $$(x - y) = -9$$ and $$xy = -20$$
Using $$(x - y)^2 = x^2 + y^2 - 2xy$$
=> $$(-9)^2 = (x^2 + y^2) - (2 \times -20)$$
=> $$(x^2 + y^2) = 81 - 40 = 41$$
=> Ans - (B)
Create a FREE account and get:
- Free SSC Study Material - 18000 Questions
- 230+ SSC previous papers with solutions PDF
- 100+ SSC Online Tests for Free
