Question

Column B Column A (i) 24 The simplest form of cot-1 (2),1x1 > 1 Q.5. Let A = {1, 2, 3). Then, the number of relations containing (1, 2) and (1, 3) which are reflexive and symmetric but not transitive is (ii) sec-1x Q.6. The total number of injective mappings from the set containing 3 elements into the set containing 4 elements is

11th - 12th Class

Maths

Solution

114

4.0 (1 ratings)

( g>left(0+frac{1}{sqrt{x^{2}-1}}right. ) ( quad quad ) put ( quad x=sec theta ) ( theta=sec ^{-1} x ) z) ( frac{c o t^{-1} cdot 1}{sqrt{s e c^{2} theta}} ) ( cot ^{p} frac{1}{tan theta} ) ( =frac{omega+1}{=} frac{c 0+0}{0} ) ( =sec ^{-1} x )