engineering recuitment OSSC Combined Technical Services (ଓଡିଶା) Mock Test 2023-24 Quantitative Aptitude Simplification
If \(\left( {x\, + \,\sqrt {1\,\, + \,\,{x^2}} } \right)\left( {y\, + \,\sqrt {1\,\, + \,\,{y^2}} } \right)\, = \,1\), where x and y are real numbers, then what is the value of (x + y)2?
1
0
2
1
3
4
4
9