find the sum of ap -26,-24,-22....36 term
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it will be 36/2 [2(-26) + (36-1)2]
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d = 2
a =-26
so an=a +(n-1)d
so value of n will be =32
and finally you have to apply sum of ap formula
I. e sn = n/2(a+l)
so everything is given now... now you can Calculate your ans. hope it helps
a =-26
so an=a +(n-1)d
so value of n will be =32
and finally you have to apply sum of ap formula
I. e sn = n/2(a+l)
so everything is given now... now you can Calculate your ans. hope it helps
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