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CBSE Free Doubts and Solutions

CBSE - IX - Geography

9/-1  

Asked by aparnamari06 21st April 2019, 12:58 AM
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CBSE - XI Science - Biology

Why is cisternae associated with 60s subunit and not with 40 S ribosome?

Asked by pb_ckt 20th April 2019, 11:06 PM
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CBSE - XI Science - Biology

1.Why can't polar molecules not pass through the non-polar lipid bilayer? 2.What is the carrier protein required to facilitate the transport of polar molecules?

Asked by pb_ckt 20th April 2019, 11:04 PM
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CBSE - X - Mathematics

If alpha and beta are the zeros of the quadratic polynomial 5xsquare -2x-1 then find the polynomial whose zeros are 1/alpha and 1/beta

Asked by asharaikwar19 20th April 2019, 9:46 PM
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CBSE - XI Science - Physics

angular momentum

Asked by sachinkandel 20th April 2019, 8:18 PM
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CBSE - XII Science - Physics

Hello 

Asked by jain.pradeep 20th April 2019, 7:37 PM
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CBSE - XII Science - Physics

Hi explain the correct choice 

Asked by jain.pradeep 20th April 2019, 7:36 PM
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CBSE - XII Science - Mathematics

Show that if a is any m x n matrix, then ImA = A and AIn = A Please explain step by step that how (Im)ir (a)rj= (a)ij

Asked by govtsecschoolnayaganv051 20th April 2019, 4:18 PM
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