If in ` A B C` , side `a , b , c` are in A.P. then (a) `B > 60^0` (b) `B<60^0` (c)`Blt=60^0` (d) `B=|A-C|`

If a/(b + c), b/(c + a), c/(a + b) are in A.P., then

If a, b, c are in AP then ax + by +c=0 represents

If a,b,c are in A.P. then (a-b)/(b-c) is equal to ………….

If a, b, c are in A.P. then show that 3^(a), 3^(b), 3^(c) are in G.P.

If a,b,c are in A.P., then a^(3)+c^(3)-8b^(3) is equal to

If a,b, and c are in G.P then a+b,2b and b+ c are in

If a,b,c are in A.P., show that (a-c)^(2)=4(b^(2)-ac) .

If the angles A,B,C of a triangle are in A.P. and sides a,b,c, are in G.P., then prove that a^2, b^2,c^2 are in A.P.

If a, b, c, l,m are in A.P, then the value of a-4b + 6c -4l +m is.

Let f(x) be a polynomial function of second degree. If f(1) = f(-1) and a, b. c are in A.P., then f'(a), f'(b),f'(c) are in