1. We have, , we need an equation whose roots ate reciprocal to the roots of f(x), i.e. we need .
Hence required equation is .
2. You have,
3. You have,
4. Let the three odd numbers be x-2, x, x+2.
Hence, and numbers are
5. Given equation can be expressed as
Hence, (a, b, c) = (5, -3, -3).
Actually, infinite number of values are possible.
6. Let the weights of man and his child be denoted as y, x.
From the given information,
7. Add the given two equations, you get,