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If 2+4+6.......... up to n terms ÷ 2+5+8.......... up to n terms =3/4 |
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Answer» Here, a=1 and d=2 and term=nSn=n/2(2+(n-1)2)=n*nNow in second, a=2,d=3,n=8Sn=8/2(4+7*3)=4(4+21)=100ATQ,n*n/100=9 or n*n=900 or n=30Explanation:please MARK me as BRANLIEST |
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