Plz solve it...it is solved but could not reach to answer..
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I write the steps here
1. multiply numerator and denominator in the integrand by √[a² - x²]
2. substitute x² = t
3. Separate two terms : a² dt / √ ... and - t dt / √ ...
4. first term: substitute t/a² = y
5. answer will be 1/2 Sin⁻¹ (t/a²) + 1/2* √[a⁴ - t²]
So answer is (B)
1. multiply numerator and denominator in the integrand by √[a² - x²]
2. substitute x² = t
3. Separate two terms : a² dt / √ ... and - t dt / √ ...
4. first term: substitute t/a² = y
5. answer will be 1/2 Sin⁻¹ (t/a²) + 1/2* √[a⁴ - t²]
So answer is (B)
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