Question

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Answer 1

Step-by-step explanation:

1) infinite

2) k=4/3

3) alpha + beta = b/a

4) it might not be a parabolic function or it may be a polynomial with more than 2 roots with 2 roots real and other roots as imaginary.

5)let x n y be the roots. we know that x+y is -b/a x+y would be positive but if we take same sign numbers as a and b then we get the sum as negative. so the above mentioned question seems incorrect, though xy=c/a and xy would be positive n taking same sign for c and a would give a positive number . so this xy condition satisfies according to the question but x+y doesn't.