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Student

12 Years agoGrade

1 Answer

SHAIK AASIF AHAMED

12 Years ago

Hello student,

for 2,5,8,............100 terms

for 3,5,7.............100 terms

as we can see that second series hasall odd termstill 3+(99)2=201

and 1stseries has last term as 2+(99)3=299

as we can see from aboveevery alternate termof 1stseries is present in 2ndalso.(as they are odd)

So the sum ofcommon terms of Ap’s=5+11+17+.......+201

=n/2(a+l)

=34/2(5+201)

=17(206)

=3502

Thanks and regards

Shaik Aasif

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