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<b>if a,b, c, d and p are distinct real ...

if a,b, c, d and p are distinct real number such that
`(a^(2) + b^(2) + c^(2))p^(2) - 2p (ab + bc + cd) + (b^(2) + c^(2) + d^(2)) <= 0` then a, b, c, d are in

A

A.P.

B

G.P.

C

H.P.

D

ab = cd

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The correct Answer is:
B
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ML KHANNA-PROGRESSIONS -PROBLEM SET - 5 (MULTIPLE CHOICE QUESTIONS)
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  6. If 4a^(2)+9b^(2)+16c^(2)=2(3ab+6bc+4ca)," where "a,b,c are non-zero nu...

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  7. alpha, beta, gamma are the geometric means between ca, ab, ab, bc, bc,...

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  8. If (a+b x)/(a-b x)=(b+c x)/(b-c x)=(c+dx)/(c-dx)(x!=0) , then show tha...

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  9. If a^(x) = b^(y) = c^(z) and a, b, c are in G.P. then x, y, z are in

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  10. If a^(x) = b^(y) = c^(z) = d^(u) and a, b, c, d are in G.P. then x, y,...

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  11. If for an exponential function y = a^(x) (a gt 0, ne 1) x(1), x(2),…x(...

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  12. If a,b,c, are in A.P., b,c,d are in G.P. and c,d,e, are in H.P., then ...

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  13. If x,1,z are in A.P. and x,2,z are in G.P., then x,4,z are in

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  14. If a,b,c are in A.P., a,x,b are in G.P. and b,y,c are in G.P. then a^(...

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  15. If a,b,c are in H.P., then (a)/(a+c),(b)/(c+a),(c)/(a+b) will be in

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  16. If a1, a2, ,an are in H.P., then (a1)/(a2+a3++an),(a2)/(a1+a3++an), ...

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  17. If xgt1,ygt1,zgt1 are in G.P. then 1/(a+Inx), 1/(1+Iny), 1/(1+Inz) are...

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  18. If x,y,z are in G.P. (x,y,z gt 1) , then (1)/(2x+log(e)x), (1)/(4x+log...

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  19. In an A.P., T(1) = log a, T(n+1) = log b, T(2n + 1) = log c, then a, b...

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  20. If in a G.P. of 3n terms S(1), S(2), S(3) denote the sum of first n, s...

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