Question

Ncert11maths10-1ex

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Cos square(x) cos square(x+π/3)+cos square (x-π/3)=3/

X3 + ax2 - 2x + a + 4

Chapter 3 example 9

A = R – {2/3} defined as f(x) = 4x+3/6x-4 is one-one and onto. Hence find f-1

Tally erp9

x^3-2x^2-x+2 factorise chapter 2 , exercise 2.4 5 bit

(4x^2-9y^2)^3+(9y^2-16z^2)^3+(16z^2-4x^2)*2/(2x-3y)^3+(3y-4z)^3+(4z-2x)^3

State that R on the set A={1,2,3} Defined by R={(1,1)(2,2)(3,3)is an Equivalence relation