Question

If m n t are in ap prove that (m+2n-t)(2n+t-m)(t+m-n)=4mnt

Answer 1

Answer:

Step-by-step explanation:

m,n,t

2n=m+t......common difference

(m+2n-t)(2n+t-m)(t+m-n)

=(m+m+t-t)(m+t+t-m)(2n-n)

=(2m)(2t)(n)

=4mnt

hence proved

Answer 2

Answer:

Step-by-step explanation:

See attachment below ,