.If a, b, c are positive numbers in G.P. then the roots of the equation ax“ + bx + C = 0
1) are real and negative
2) have negative real parts
3) are equal
4) have negative imaginary parts
give answer with explanation....
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.If a, b, c are positive numbers in G.P. then the roots of the equation ax“ + bx + C = 0
1) are real and negative
2) have negative real parts
3) are equal
4) have negative imaginary parts
give answer with explanation....
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a b c .....GP
b^2= ac
D = b^2- 4ac
-3ac
ac= positive
so roots =+-√3 b
option 4