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The set of all numbers a such that a^(2)...

The set of all numbers a such that `a^(2) + 2a, 2a + 3 " and " a^(2) + 3a + 8 ` are the sides of a triangle is ………..

A

`(5, infty)`

B

`(- infty, 5)`

C

`(-5, 5)`

D

`[5, - infty]`

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A
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AAKASH SERIES-PROPERTIES OF TRIANGLES-LECTURE SHEET EXERCISE - II(Straight Objective Type Questions)
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  12. In a Delta ABC " if " a^(2) sin (B - C) + b^(2) sin (C - A) + c^(2) s...

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  13. If for DeltaABC, cotA cotB cotC gt0 then the triangle is

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  14. In Delta ABC, if cos A+cos B+ cos C=3//2, then the triangle is

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  15. In Delta ABC , if tan A + tan B + tan C =3 sqrt3 then the triangle ...

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