Vishwanath
Friday, February 15, 2013
13. 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
Answer:Option :C
√4a2 - 4a + 1 + 3a = √(1)2 + (2a)2 - 2 ×1 ×2a + 3a
‹=›√(1 - 2a)2 + 3a
‹=› (1 - 2a) + 3a
‹=› (1 + a)
‹=› (1 + 0.1039)
= 1.1039.
Title : Square Roots And Cube Roots Q13
Description : 13. If a = 0.1039, then the value of √4a2 - 4a + 1 + 3a is A. 0.1039 B. 0.2078 C. 1.1039 ...
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