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The 6th term of an AP …

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The 6th term of an AP is zero. Prove that it's 31st term is five times the 11th term.
  • 4 answers

Puja Sahoo? 6 years, 10 months ago

31st term is a + (31-1)d a + 30d..........(1)....... 11 th term is a +(11-1)d a + 10d so 5 times 11 term is 5a + 50d.........(2)...... so 5 times 11 term is 5a + 50d.........(2)......on comparing with 1 a + 4a + 50d as a = -5d a + 4(-5d) + 50d a - 20d + 50d a + 30d 31st term.... pehle vala answer mt dekho.... ye apka solution hai

Puja Sahoo? 6 years, 10 months ago

Ek kam kijiye put a6 = 0, ---> a+5d=0..., (a=5d), ab find a31 and a11...... ▪a31= a+30d ....... ▪a31=5d +30d = 35 d........ and a11=a+10d ▪a11=5d +10d =15d......

Honey ??? 6 years, 10 months ago

Pehle 31st trm nikalo phir 11th trm. Nikalo aur uske baad a=-5d put ksr dena

Puja Sahoo? 6 years, 10 months ago

Hey, its proved bt yahan solition thoda bada hai, apko kaise dun mai
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