JEE MAIN - Mathematics Hindi (2021 - 17th March Morning Shift - No. 5)
x के संभावित मानों का योग है :
tan$$-$$1(x + 1) + cot$$-$$1$$\left( {{1 \over {x - 1}}} \right)$$ = tan$$-$$1$$\left( {{8 \over {31}}} \right)$$ है :
tan$$-$$1(x + 1) + cot$$-$$1$$\left( {{1 \over {x - 1}}} \right)$$ = tan$$-$$1$$\left( {{8 \over {31}}} \right)$$ है :
$$-$$$${{{32} \over 4}}$$
$$-$$$${{{33} \over 4}}$$
$$-$$$${{{31} \over 4}}$$
$$-$$$${{{30} \over 4}}$$
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