If a-b-c are in A-P- then a - bc - 1- c - 2- b are inA- A-PB- G-PC- H-PD- None of these

The correct option is D None of these a,b,c be in A.P. the divided each term by bc, we get a/bc,1/c,1/b be in A.P. But it is 2/b in place of 1/b, so answer is ...

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Standard XII

Mathematics

Applications of Cross Product

If a,b,c are ...

Question

If a,b,c are in A.P., then $\frac{a}{b c}, \frac{1}{c}, \frac{2}{b}$ are in

A.P

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G.P

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H.P

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None of these

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Solution

The correct option is D
None of these

a,b,c be in A.P. the divided each term by bc, we get

$\frac{a}{b c}, \frac{1}{c}, \frac{1}{b}$ be in A.P. But it is $\frac{2}{b}$ in place of $\frac{1}{b}$ , so answer is (d).

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If a,b,c are in A.P., then abc,1c,2b are in

The correct option is D None of these a,b,c be in A.P. the divided each term by bc, we get abc,1c,1b be in A.P. But it is 2b in place of 1b, so answer is (d).

If a,b,c are in A.P., then $\frac{a}{b c}, \frac{1}{c}, \frac{2}{b}$ are in

The correct option is D
None of these

a,b,c be in A.P. the divided each term by bc, we get

$\frac{a}{b c}, \frac{1}{c}, \frac{1}{b}$ be in A.P. But it is $\frac{2}{b}$ in place of $\frac{1}{b}$ , so answer is (d).