The Total solution for NCERT class 6-12
The ratio of the sums of m and n termsof an A.P. is m2: n2. Show thatthe ratio of mth and nth termis (2m – 1): (2n – 1).
Let’s considerthat a and b to be the first term and thecommon difference of the A.P. respectively.
Then from thequestion, we have
Hence, the givenresult is proved.