Question

solve this plsss

prove that (-1-i√3)^3n +(-1+i√3)^3n =2^3n+1

Prove that the locus of the mid point of the portion of the tangents to the ellipse x^2/a^2+y^2/b^2=1 intercepted between the axes isa^2/x^2+b^2/y^2=4

1. tanInverse(sinx+cosx) (0,180/4) increasing 

dy/dx + ycotx = 2cosx

In Tally software How to solve if in Balance sheet shown capital A/C in Asset side 

what is the journal entry for increase or decrease of Bank OD limit by bank to the customer

solve - 

xy/x+y=1/2 , 

xy/x-y=1/6

We pay rent Rs. 31500/- per month for Immovable property  situated in other State to the URD under GST in that State  , whether RCM is applicable and if applicable , whether we are eligible to take input of tax paid under RCM in this case , we are registered with GST. Please reply asap.