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For the following questions answer them individually
For any two statements p, q, the contrapositive of $$p \Rightarrow q$$ is
For any two statements p, g the converse of $$\sim p \Rightarrow q $$ is
If a N denotes the set $$\left\{ax : x \epsilon N \right\}$$ then $$3N \cap 7N =$$
If $$R = \left\{(a, b) \epsilon R^{2} : a - b + \sqrt{2}\right\}$$ is irrational then the relation R on $$R^{2}$$ is:
If f(1) = 1 and $$f(n) = 2 \sum_{k-1}^{n-1} f(k),(n > 1)$$ then $$\sum_{k-1}^{m} f(k)$$ =
The sum of the intercepts made by the lme 7x+2y=28 on the coordinate axes is
A line l passing through the point (1, -2) is perpendicularto the line x+2y+1=0. Thenthe point of intersection of 1 and x + 2y + 1 = 0 1s:
$$\cos(A + 45^\circ) + \sin(A - 45^\circ) =$$
$$\cos^{2} A = \sin A \tan A \Rightarrow \cot^{6} A - \cot^{2} A =$$
$$\frac{\cos \theta}{7} = \frac{\sin \theta}{6} \Rightarrow 7 \cos 2 \theta + 6 \sin 2 \theta = $$
