Q.1 Show that the sum of (m+n)th and (m-n)th term of an A.P. is equal to twice the mth term??

Q.1 Show that the sum of (m+n)th and (m-n)th term of an A.P. is equal

1.	Q.1 Show that the sum of (m+n)th and (m-n)th term of an A.P. is equal to twice the mth term??
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