Question

Fill in the blanks in the sequence root3,_,7root3,_ so the sequence forms an ap

Answer 1

given

a = root 3

a + 2d =7×root 3

root 3 + 2d = 7×root 3

2d = 6×root 3

d = 3×root 3

so,

unknown values are,

a + d, a + 3d

● a + d = root 3 + 3×root 3

= 4× root 3

● a + 3d = root 3 + 3(3× root 3)

=10×root 3

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