InterviewSolution
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`y=tan^(-1)((3x-x^(3))/(1-3x^(2)))` का अवकलन x के सापेक्ष ज्ञात कीजिए, जबकि `xlt-1/(sqrt3)` |
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Answer» `xlt-1/(sqrt3)` `rArr-oolttanthetalt-1/(sqrt3)` `rArr-pi/2ltthetalt-pi/6` `rArr-pi/2ltthetalt-pi/6` `rArr-(3pi)/2lt3thetalt-pi/2` `rArr-pi/2lt3theta+piltpi/2` `thereforey=tan^(-1)(tan3theta)` `rArry=tan^(-1)[tan(3theta+pi)]` `rArry=3theta+pi` `rArry=3tan^(-1)x+pi` `therefore(dy)/(dx)=3/(1+x^(2))+0` `rArr(dy)/(dx)=3/(1+x^(2))` |
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