find dy/dx when x=a1-t²/1+t²,6=b2t/1+t²
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Step-by-step explanation:
dy/dt= d/dt( b2t/1+t²)
= b2[ (1+t²) - 2t²/]( 1+t²)²
= b2( 1-t²)/ ( 1+t²)²................(1)
dx/dt= a1[ (1+t²) ( -2t) - (1-t²) ( 2t)]/ (1+t²)²
= a1[ -2t-2t³-2t+2t³] / (1+t²)²
a1 ( -4t) / (1+t²)²..............(2)
(1) / (2)
(dy/dt)/ (dx/dt). =
dy/dx=b2[ (1-t²) / (-4t)]/a1
b2[ t/4 - 1/4t]/a1
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