Let …, …, …, ......... ,… be in A.P. such that … and …. …, then m is equal to

Option D. a₁, a₂, a₃ . . . a₄₃ are in AP

Sequences and Series

JEE Main 2018 · Session, Shift 1 · Q5196

MathematicsHard178×since 2002Q5196

Let

{a_1}

{a_2}

{a_3}

, ......... ,

{a_{49}}

be in A.P. such that

\sum\limits_{k = 0}^{12} {{a_{4k + 1}}} = 416

and

{a_9} + {a_{43}} = 66

a_1^2 + a_2^2 + ....... + a_{17}^2 = 140m

, then m is equal to

JEE Main 2018 · Session, Shift 1 · Q5196

MathematicsHard178×since 2002Q5196

Let

{a_1}

{a_2}

{a_3}

, ......... ,

{a_{49}}

be in A.P. such that

\sum\limits_{k = 0}^{12} {{a_{4k + 1}}} = 416

and

{a_9} + {a_{43}} = 66

a_1^2 + a_2^2 + ....... + a_{17}^2 = 140m

, then m is equal to