math triangles ex 6.4 q3
Factorise cubic polynomial 2x^3+x^2-2x-1
Determine n if 2nC4:nC4=42:1
Chapter 15 ncert book solution of math
The fifth term of a geometric sequence is 81/32 and the ratio of 3rd and 4th is 2/3 , write the geometric sequence and its 8th term.
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