Find the sum of the AP -26, -24, -22...... upto 36 terms *
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Answer:
324
Step-by-step explanation:
-26,-24,-22,.....,36 terms
We have:
a= -26, d= [-24-(-26)] = -24+26
d= 2
n= 36
Sn = n/2 [ 2a + (n-1) d]
= 36/2 [ 2*-26 + (36-1) (2)]
= 18* -52 + 35*2
= 18* -52+70
= 18*18
= 324 is the answer.
Hope it’s helpful....... ☺
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