Question

If two roots of quadratic equation have same sign then which among is true: i) a,c same sign ii) a&c alternative sign iii) Both (i) & (ii) iv) None​

Answer 1

• : i) a,c same sign

If the coefficients of one equation are constant multiples of the other. ax^2+bx+c=0 and (ka)x^2+(kb) x+(kc)=0, where k is a constant, have same roots.

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