Question
For any two sets A and B, prove that
$\text{A}-(\text{A}\cap\text{B})=\text{A} - \text{B}$
$\text{A}-(\text{A}\cap\text{B})=\text{A} - \text{B}$
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line 5x + y = 2.
and $\theta_2$ such that $\tan \theta_1+\tan \theta_2=2$. Find the equation of the locus of $P$.
1.$\alpha^2+\beta^2+\alpha \beta=0$
(ii) $\alpha^4+\beta^4+\alpha^{-1} \beta^{-1}=0$
2.If x = a + b, y = αa + βb and z = aβ + bα, where α and β are complex cube roots of unity,
show that $x y z=a^3+b^3$.
(i) both the children are girls.
ii. both the children are girls given that at least one of them is a girl.