Question

DATE
B) solve the following
1 Tetermine nature of roots of the
quaddatic equation
x²+2x-9=0
ANS- tell me ans​

Answer 1

Explanation:

In the equation x2−2x+9=0 , the coefficients are rational but as the discriminant is (−2)2−4×1×9=4−36=−32 is negative, the roots of the equation are pair of complex conjugate numbers. Hence, we can use quadratic formula to get roots

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