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the 6th term of AP is …

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the 6th term of AP is 0 prove that 31st term is 5 times the 11th term
  • 1 answers

Saif Ansari 7 years, 2 months ago

a6=0 to prove=a31=5(a11) proof=a31=a +30d a11=a +10d a+30d=5(a+10d)=a+30d=5a+50d 4a+20d=0 i.e a+5d=0 we have a6=0 a+5d=0
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