Question

guys answer these all fastt​

Answer 1

5)the straight line which passes through two points on a circle is

answer - secant

secantA straight line which passes through two points on a circle is a secant...

3)the nature of the roots of a quadratic equation depends on.

answer-Here a, b and c are real and rational. Then, the nature of the roots α and β of equation ax2 + bx + c = 0 depends on the quantity or expression i.e., (b2 - 4ac) under the square root sign. Thus the expression (b2 - 4ac) is called the discriminant of the quadratic equation ax2 + bx + c = 0.