Math, asked by amandeep2442, 11 months ago

2a (m – n)+{(m^2-n^2)-(m-n)}d= -2(m-n)

PLEASE SOLVE THIS EQUATION

Answers

Answered by Anonymous

5

Answer:

Arithmetic Progressions :

2a(m - n) + {( m - n) ( m + n) - (m - n)} d = - 2(m - n )

Taking ( m - n) common,

( m - n) [ 2a + ( m + n - 1 )d] = - 2 ( m - n)

Cancelling ( m - n) from both sides,

2a + ( m + n - 1 ) d = - 2

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