please solve with clear solution, thanks
if 4, 2 ,5, and 18 are added respectively to the terms of an arithmetic progression, the resulting series is a geometric progression. what is the arithmetic progression?
if 4, 2 ,5, and 18 are added respectively to the terms of an arithmetic progression, the resulting series is a geometric progression. what is the arithmetic progression?
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http://s3.postimage.org/be95071oj/030220…
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Let AP be a, a + d, a + 2d , a + 3d ; after addition the sequence become: a + 4, a + d + 2, a + 2d + 5, a + 3d + 18...as new sequence is GP (a + 4/a + d + 2)=(a + d + 2/a + 2d + 5);.
make other such equation & solve for a & d
make other such equation & solve for a & d