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If L(1) = (2.02 +- 0.01)m and L(2) = (1....

If `L_(1) = (2.02 +- 0.01)m` and `L_(2) = (1.02 +- 0.01)m` then `L_(1) + 2L_(2)` is (in m)

A

`(1)/(2)a(a-1)^(2)`

B

`(1)/(2)a(a-1)(4a- 1)`

C

`(1)/(2)(a-1)(2a -1)(4a -1)`

D

None of these

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The correct Answer is:
B
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DISHA PUBLICATION-SEQUENCES AND SERIES -Exercise -2 : Concept Applicator
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