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Demoniator ko dekho 4==1^2*2^2 36==2^2*3^2 144==3^2*4^2 Seri | 🍁Ariτнмєτic Maths🍁

Demoniator ko dekho
4==1^2*2^2

36==2^2*3^2

144==3^2*4^2
Series bnegi
Jisme common diff ==1 h

1-1/2^2+1/2^2-1/3^2+......1/9^2-10^2

1-1/10^2====1-1/100===0.99