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Question: If \(\frac{x^{2} + 34x - 71}{x^{2} + 2x - 7}\) then both the roots of the equation \(x\)....

If x2+34x71x2+2x7\frac{x^{2} + 34x - 71}{x^{2} + 2x - 7} then both the roots of the equation xx.

A

Are real and negative

B

Have negative real parts

C

Are rational numbers

D

None of these

Answer

Have negative real parts

Explanation

Solution

The roots of the equations are given by

(4,7)( - 4,7)

(i) Let (4,7)(4, - 7)

Now if (4,7)( - 4, - 7) ⇒ the roots are negative.

(ii) Let λx2+2x+3λ=0\lambda x^{2} + 2x + 3\lambda = 0 then the roots are given by

λ=\lambda =

Which are imaginary and have negative real part

4- 4

∴ In each case, the roots have negative real part.