If I=\int{dx}/{x^4\sqrt{a^2+x^2} then I equals

Correct Answer is : 1a4[1x√a2+x2−13x2(a2+x2)32]+c

1/a^4[1/x\sqrt{a^2+x^2}-1/{3x^2}\sqrt{a^2+x^2}]+c

1/a^4[1/x\sqrt{a^2+x^2}-1/{3x^2} ( { a^2+x^2})^{3/2}]+c

1/a^4[1/x\sqrt{a^2+x^2}-1/{2\sqrtx} ( { a^2+x^2})^{3/2}]+c

1/a^4[1/x\sqrt{a^2+x^2}+1/{3x^2}\sqrt{a^2+x^2}]+c

JEE Mains 2020 Model Paper 6 New Pattern

Question : 15 of 75

Marks: +1, -0

If I=∫

x4√a2+x2

then I equals

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