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Grade 11Algebra

consider a distance of 3m b/w a lizard and an insect.. to capture insect lizard starts moving towards it.If lizard covers 1m in first step 0.5m in next 0.25 in next and so on in how many steps will lizard catch insect.

Profile image of rishabh ed
17 Years agoGrade 11
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1 Answer

Profile image of AskiitianExpert Shine
17 Years ago

Hi

It cannot reach the insect. Its a geometric progression with common ratio = 0.5 , and the sum of infinite sries too gives a summ of 2, therefore even after infinite steps it wud be able to come to 2 m.

Solve using the formula fr geometric progression for n= infinity