if21,a,b and -3 are in AP then find the value of a + b.plz...ans my Q.
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Since they are in AP
The common difference is constant
a-21 = - 3-b
=> a +b = - 3 +21
=> a + b = 18
The common difference is constant
a-21 = - 3-b
=> a +b = - 3 +21
=> a + b = 18
class10Alice1:
thnk you very much for helping me...
ur welcome :)
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