JEE MATHEMATICS MCQ: SEQUENCE OF SERIES

1 Easy

1 of 1

Application +4 | -1

If H.M. : G.M.

=4: 5

for the two positive numbers, then the ratio of the numbers is

View answer and explanation

Correct option: A

4: 1

Option A (

4: 1

) is correct because it is derived from the given ratio of H.M. to G.M. by using componendo and dividendo.

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A=\{1,2,3\}, B=\{3,4\}, C=\{4,5,6\}

{A} \cup({B} \cap {C})

A-(B \cap C)

(B \cup C)-A

a,b,c

a,x,b

b,y,c

{x^2},{b^2},{y^2}

P(x)=1-x+x^2-x^3+\ldots+x^{2012}

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y=x-2

\sum\limits_{{i=0}}^{2012} a_i

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\log \left(\frac{a}{3 b}\right)

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a, b, c

\frac{3}{4}