1.

STATEMENT-1 :The sum of n terms of two arithmetic progressions are in A.P. in the ratio(7n + 1) : (4n + 17) then the ration^(th) terms is7 :4and STATEMENT-2 :IfS_(n) = ax^(2) + bx = c , "then" T_(n_ = S_(n) - S_(n-1) .

Answer»

Statemant-1 is True , Statement-2 is True, Statement -2 is a CORRECT explanation for Statement-1
Statemant-1 is True , Statement-2 is True, Statement -2 is NOTA correct explanation for Statement-1
Statement-1 is True, Stetement-2 is False.
Statement-1 is False, Statement-2 is True

ANSWER :4


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