For an `A.P`, show that `t_m+t_(2n)+m=2t_(m+n)`

For an A.P.show that t_(m+n)+t_(m-n)=2t_(m)

For an A.P. show that t _(m) + t _(2n + m) = 2 t _(m +n)

For an A.P., show that T_p+T_(p+2q)=2T_(p+q) .

For an A.P., show that (m +n)th term + (m-n) term =2 xx m th term

If the sequence a_n is A.P., show that a_(m+n)+a_(m-n)=2a_mdot\

In an A.P., prove that : T_(m+n) + T_(m-n) = 2*T_(m)

In an A.P., prove that : T_(m+n) + T_(m-n) = 2*T_(m)

If t_(n)" is the " n^(th) term of an A.P. then the value of t_(n+1) -t_(n-1) is ……

If m times the m^(t h) term of an A.P. is equal to n times its n^(t h) term, show that the (m+n)^(t h) term of the A.P. is zero.

If m times the m^(t h) term of an A.P. is equal to n times its n^(t h) term, show that the (m+n)^(t h) term of the A.P. is zero.