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Monday, August 18, 2014
15 questions for STD IX --- IPM, MTSE, IMO
15 questions for STD IX --- IPM, MTSE, IMO
(all the questions are solved, look for answers under the respective labels)
The question 13 looks very complicated. But it is pretty simple if you know the trick. the cube should be of the form (2x^2 + kx - 3a^2)^3 = the expression. expand and compare the coefficient.
you may refer to the solution http://ipm-mtse-olympiad-state-scholarship.blogspot.in/2013/09/cube-root.html
The question 13 looks very complicated. But it is pretty simple if you know the trick.
ReplyDeletethe cube should be of the form (2x^2 + kx - 3a^2)^3 = the expression.
expand and compare the coefficient.
you may refer to the solution
http://ipm-mtse-olympiad-state-scholarship.blogspot.in/2013/09/cube-root.html