Question

please guys please solve it please ...
please solve it ...

chapter AP. as per Rd .

​

Answer 1

Step-by-step explanation:

Sn=3n2 by given condition.

∴Tn=Sn−Sn−1=3n2−3(n−1)2=6n−3.

Putting n=1,2,3,________ 

The series is 3,9,15,21,______

Answer 2

Genus is a taxonomic rank in the biological classification that exists below family and above species.Order is a taxonomic rank that exists below class and above family. e.g. order primatesFamily is a taxonomic group containing one or more related genera. In plants, families are categorised on the basis of vegetative and reproductive features.Class is a taxonomic rank (a taxon) consisting of organisms that share a common attribute; it is further divided into one or more orders. In the biological classification of organisms, a class is a major taxonomic rank below the phylum (or division) and above the order

Abhi tak I'd bachi hui h apki !! ಠωಠMeri toh new IDs

bhi delete ho gyi (≧▽≦)

Btw apna tele check Karo ek bar !! ☺️