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CBSE Class 11 Commerce Mathematics Free Doubts and Solutions

CBSE - XI Commerce - Mathematics

The population of a town increases annually by 25%. If the present population is one crore then what is the difference between the population 3 years ago and 2 years ago?

Asked by mk958311 19th September 2019, 6:44 AM
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CBSE - XI Commerce - Mathematics

L e t space f equals left curly bracket left square bracket x comma fraction numerator x squared over denominator 1 plus x squared end fraction right square bracket colon x element of R right curly bracket space b e space a space f u n c t i o n space f r o m space R space i n t o space R. space D e t e r m i n e space t h e space r a n g e space o f space f.

Asked by kanhagupta2003 31st July 2019, 9:12 AM
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CBSE - XI Commerce - Mathematics

sinx + sin3x/cosx -con3x  = cotx      

Asked by sanjeevnayan3 23rd June 2019, 12:55 PM
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CBSE - XI Commerce - Mathematics

Which region is given by following equations and inequations? Also indicate on complex plane. 1) arg(z-1-i)=π/4 2)|z+i| >=|z+2|

Asked by vardhanishita9500 22nd June 2019, 4:17 AM
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CBSE - XI Commerce - Mathematics

Pls solve this question and send answer as early 

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Asked by akshitbaliyan07 15th June 2019, 3:19 PM
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CBSE - XI Commerce - Mathematics

If a man is walking arround an equilateral triangle of side 4 m and while walking he always walk 1 m away from edge what is the distance he walked 

Asked by Bharadwajharshita121 11th June 2019, 10:36 AM
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CBSE - XI Commerce - Mathematics

If z1,z2, z3, z4 are complex numbers , show that they are vertices of a paralleogram in the Argand diagram if and only if z1+z3= z2 +z4.

Asked by vardhanishita9500 10th June 2019, 6:23 PM
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CBSE - XI Commerce - Mathematics

cos7x + cos5x/ sin7x- sin 5x =cotx

Asked by sanjeevnayan3 1st June 2019, 8:58 AM
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