If x= ⁻¹ ( 1 1+t^2 ), y= ⁻¹ ( 1 1+t^2 ) , then d y ~d x is

Step-by-step solution

let t= , then aligned & x= ⁻¹ ( 1 1+ ^2 )= ⁻¹ ( 1 )= ⁻¹ = & y= ⁻¹ ( 1+ ^2 )= ⁻¹ ( )= ⁻¹ = & d y d x = d( ) d =1 aligned