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If the 2nd, 3rd and 4th term in a GP are 12, 36 and 108 What is the 1st term and the common ratio |
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Answer» ar=12 EQ 1 ar^2=36 eq2 ar^3=108 eq 3
eq 2 / eq1 ar^2/ar 36/12 R =3 a=4 |
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