Hello Shamimah,
The important maths portions that you need to cover while prepating for any B.Sc mathematics entrance examinations are,
Differential Equations.
Statistics and Probability.
Premutation and Combination.
Integral Calculus.
Mathematical Induction.
Complex Numbers.
Sets.
Relations and Functions.
Mathematical Reasoning.
Trigonometry.
Three dimensional coordinate geometry,
Binomial Theorem and its simple applications.
Matrix and determinants.
Limit.
Continuity and Differentiability.
Coordinate Geometry.
Vector Algebra.
Sequence and Series.
Hope this Helps.
Good Luck! will be happy to help with any other doubts.
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