Compare the pairs of real number given below
`ab+1,a+b`.

Compare the pairs of real number given below a^3+b^3,a^2b+ab^2 .

Compare the pairs of real number given below a^3+1,a^2+1 .

If a,b,c are three positive real numbers then show that (a+b+c) (1/a+1/b+1/c)ge9 .

Indicate which pair of physical quantities given below has not the same units and dimensions :

Compare the following numbers: 2^8,8^2

Given below are the pairs of animals and phylum which they belong to. Which out of these is not a matching pair and why? Taenia (Tapeworm) - Platyhelminthes Pheretima (Earthworm) - Annelida Asterias (Starfish) - Mollusca Adamsia (Sea anemone) - Coelenterate

Every real number is always rational

If a, b, c are in A.P. then show that the terms given below are also in A.P. 1/(bc),1/(ca),1/(ab)