If are in GP, then roots of are always |
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a) |
Real |
b) |
Real and negative |
c) |
Greater than one |
d) |
Non-real |

If are in GP, then roots of are always |
|||||||

a) |
Real |
b) |
Real and negative |
c) |
Greater than one |
d) |
Non-real |

1 Answer

127 votes

**(a)**

Since, are in GP, then

…(i)

Given equation is .

Discriminant,

[from Eq. (i)]

Roots are real.

127 votes

127