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Find the value of 'a' such that a^2+2a, ...

Find the value of 'a' such that `a^2+2a`, 2a+3 and `a^2+3a+8` and the sides of the `Delta^(l e)`.

A

a=5

B

`a gt 5`

C

`a lt 5`

D

` a lt 4`

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The correct Answer is:
B
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