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

1.	the 6th term of AP is 0 prove that 31st term is 5 times the 11th term
Answer» a6=0 to prove=a31=5(a11)proof=a31=a +30da11=a +10da+30d=5(a+10d)=a+30d=5a+50d4a+20d=0 i.e a+5d=0we havea6=0a+5d=0

Discussion