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Question
If an=5−11n, then the common difference will be_____________
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Solution
Given that,an=5−11n
∴a2=5−11(2)=5−22=−17
a1=5−11(1)=5−11=−6
Common difference d=a2−a1
=−17−(−6)
=−17+6
=−11 (Ans)
an=5−11n
∴a2=5−11(2)=5−22=−17
a1=5−11(1)=5−11=−6
Common difference d=a2−a1
=−17−(−6)
=−17+6
=−11 (Ans)
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