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  • If the general term of first AP =3n-5 and that of the second AP is 3n+5. Then the 50th term of AP where both the AP is addedOption: 1 155</d

If the general term of first AP =3n-5 and that of the second AP is 3n+5. Then the 50th term of AP where both the AP is added

Option: 1

155


Option: 2

145


Option: 3

300


Option: 4

150


Answers (1)

best_answer

As we learnt

Properties of an AP

If a_{1},a_{2},a_{3}\: \: and\: b_{1},b_{2},b_{3} are two APs,

then a_{1}+ b_{1},a_{2}+ b_{2,}a_{3}+ b_{3} is also an AP

 

In this Question,

 T_n=3n+5+3n-5= 6n

T_{50}=6*50=300

Posted by

himanshu.meshram

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