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# Relation b/w A.M G.M and H.M Quiz Questions and Answers PDF - 9

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The Quiz If A, G, H are arithmetic, geometric and harmonic means between a and b respectively, then A,G,H are: in a.p, in g.p, in h.p and real numbers with "Relation b/w A.M G.M & H.M" App Download (Free) to learn online educational courses. Solve sequences and series questions and answers, Amazon eBook to download free sample for colleges offering online degree programs.

## Relation b/w A.M G.M & H.M Quiz Answers : Test 9

MCQ 41: If A, G, H are arithmetic, geometric and harmonic means between a and b respectively, then A,G,H are

A) in G.P
B) in A.P
C) in H.P
D) Real numbers

MCQ 42: If ƒ(x) = x-2 and g(x) = √(x²+1), then (gof)(x) =

A) √(x² +1) - 2
B) √(x²)-4x +5
C) x² -1
D) x²-4x +5

MCQ 43: X = at² and y = 2at are parametric equations of

A) circle x² + y² = a²
B) parabola y² = 4ax
C) ellipse x²/a² + y²/b²
D) ellipse x²/a² - y²/b²

MCQ 44: The transpose of a column matrix is

A) zero matrix
B) diagonal matrix
C) column matrix
D) row matrix

MCQ 45: 1 + tan²2θ/2 =

A) sec²θ
B) csc²θ
C) csc²2θ
D) sec²θ/2

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