Focus Classes ( Best Maths Classes in Aligarh)

Real Numbers, Class 10 Chapter-1Show that the Square of an Odd Positive Integer is of the form 8q+1 for Some Positive Integer q.

Find k so that x2 +2x +k is a factor of 2x4 + x3 - 14x2 +5x +6.Most Important Question from NCERT Exemplar, Exercise 2.4, Q. No - 4, by Deepak Rajoria, Focus Classes Aligarh

Obtain all other zeroes of 3x4 + 6x3 – 2x2– 10x – 5, if two of its zeroes are √(5/3) and -√(5/3).

Polynomials | Class 10 Chapter 2Example 9 : Find all the zeroes of 2x4 –3x3 – 3x2 + 6x – 2, if you know that two of its zeroes are √2 and −√2.

Polynomials, Class 10 Chapter 2 Execise - 1.1, Question No-1The graphs of y = p(x) are given in Fig. 2.10 below, for some polynomials p(x). Find the number of zeroes of p(x), in each case.