sir , the sign of _ only comes in the quadratic equation?

Divide 15 sweets between manu and sonu so that they get 20%and 80% of them respectively

A pt is in the xz-plane. What can you say about its y - coordinate

in adjecent figure m parelell to n .a,b are any two points on m and n respectively . let c be an interior point between lies m and n find angle acb

Ex 5.3 of class 10 AP 1to 20

Find the point so that the equation 12 x^2-10xy+2y^2+11x-5y+2=0 referred to parallel axes through it may transform into one from which terms of the first degree in x and y are absent

Class 11 maths ncert solutions of Ch 9

 Expand each of  the  following 

(2÷x-x÷2)5

Class 11 maths ex 8.1 Que 1

If z=x+iy and |z-1-i|+4/3|z-1-i|-2=1. Prove that x^2+y^2-2x-2y=7

If z=x+iy and |z-1-i|+4/3|z-1-i|-2=1. Prove that x^2+y^2-2x-2y=7