If y=(tan⁻¹x)²,prove(1+x²)²y₂+2x(1+x²)y₁=2
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... Proved.
Step-by-step explanation:
We are given that, y= (tan¬1 x)²....... (1)
And we have to prove that,
{ Here and }
Now, differentiating both sides of (1) with respect to x, we get
= 2(tan¬1 x)
{ We have the formula, (tan¬1 x)= }
⇒= 2(tan¬1 x) ....... (2)
Again, differentiating both sides of (2) with respect to x, we get
{ We have applied the formula, , where u and v both are functions of x}
⇒
Hence, proved.
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