Maths
This question was asked in Example 6

Find the sum of given AP (-5)+(-8)+(-11)...... +(-230)

Sudarshan Sharma's image
Sudarshan Sharma
Dec. 3, 2017, 2:35 p.m.

Answers!

Anubhav Singh's image
Anubhav Singh
Dec. 4, 2017, 1:42 a.m.
A is -5
D is -3
Nth or last term is -230
So firstly by these three... obtain total number of terms....-5 to -230..
Now use sum formula = n/2(a last term)
Means n/2(-5 -230)
You will get the sum...if u solve for n correctly...
Good luck
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Sudarshan Sharma's image