Lachmi asked the coolie, " Are the trains very crowded on these lines?" ( Change the narration)
Answers
Answered by
7
Answer:
lady lal told to coolie, "the trains were very crowded on those lines"
Hope it helps u mate.......
Answered by
5
Answer:
Given that the zeros of the quadratic polynomial ax
2
+bx+c,c
=0 are equal.
=> Value of the discriminant(D) has to be zero.
=>b
2
−4ac=0
=>b
2
=4ac
Since. L.H.S b
2
cannot be negative, thus, R.H.S. can also be never negative.
Therefore, a and c must be of the same sign.
:)
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