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Question

If a = 0.1039, then what is the value of 3a4a24a+1?


A

0.1039

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B

0.2078

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C

1.1039

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D

2.1039

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Solution

The correct option is C

1.1039


We have to find the value of:-
3a4a24a+1
Now, 4a22a2a+1
=2a(2a1)(2a1)
=(2a1)(2a1)=(2a1)2
3a4a24a+1=3a(2a1)2=3a2a+1=a+1
=0.1039+1=1.1039


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