Questions and answers by

pankaj khanna

Questions (5)

If one zero of polynomial (a^2+a)x^2+13x+6a is reciprocal of other ,find a.
1. 2 answers
2. 809 views
If remainder on division x^3-kx^2+13x-21 by 2x-1 is -21 ,find quotient and k.Hence find zeroes of cubic polynomial x^3
1. 1 answer
2. 1,159 views
A person going at a rate of 5 km/hr in still water,takes thrice as much time in going 40km upstream as in going downstream. Find
1. 1 answer
2. 433 views
If 1+sin^2 theta = 3sin theta cos theta, then prove that tan theta =1or 1/2
1. 2 answers
2. 1,674 views
In triangle ABC , if angle c=90°,then prove that sin^2 A+sin^2 B=1.
1. 2 answers
2. 700 views

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