Answer:4600
Step-by-step explanation:
-6,-2,2,6,...
First term=a=-6
Common difference=d=-2-(-6)=4
Using the formula
Sn=n/2 x [2a + d x (n-1)]
S50=50/2 x [2x-6 + 4x(50-1)]
S50=25 x [-12 + 4 x 49]
S50=25 x [-12 + 196]
S50=25 x 184
S50=4600
Sum Of The first 50 terms is 4600
