

Square Root and Cube Root - General Aptitude
Q1: If a = 0.1039, then the value of 4a2 - 4a + 1 + 3a is:A 0.1039
B 0.2078
C 1.1039
D 2.1039
ANS:C - 1.1039 4a2 - 4a + 1 + 3a = (1)2 + (2a)2 - 2 x 1 x 2a + 3a = (1 - 2a)2 + 3a = (1 - 2a) + 3a = (1 + a) = (1 + 0.1039) = 1.1039 |


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