how many terms of Ap
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Hyy Dude ✨
In this apa=9 and d=8sn=636n/2[2a+(n-1)d]=636n/2[2(9)+(n-1)(8)]=636n/2[18+8n-8]=636n/2[10+8n]=636n/2*2[5+4n]=636n[5+4n]=6365n+4n square=6364nsquare + 5n -636 =0
you can solve by quadratic formula further
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