#### INTEGRAL CALCULUS-489

Proposed by Vasile Mircea Popa-Romania INTEGRAL CALCULUS-489 Solution by Rana Ranino-Setif-Algerie

#### ELEGANT INEQUALITY-502

Proposed by Srinivasa Raghava-AIRMC-India ELEGANT INEQUALITY-502 Solution by Ravi Prakash-New Delhi-India

#### LIMIT-621

Proposed by Naren Bhandari-Bajura-Nepal LIMIT-621 Solution by Syed Shahabudeen-Kerala-India

#### LIMIT-620

Proposed by Naren Bhandari-Bajura-Nepal LIMIT-620 Solution by Rana Ranino-Setif-Algerie

#### LIMIT-619

Proposed by Hikmat Mammadov-Azerbaijan LIMIT-619 Solution by Kamel Gandouli Rezgui-Tunisia

#### INTEGRAL CALCULUS-488

Proposed by Hikmat Mammadov-Azerbaijan INTEGRAL CALCULUS-488 Solution 1 by Adrian Popa-Romania, Soluion 2 by Ravi Prakash-New Dehi-India, Solution 3 by…

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#### ELEGANT INEQUALITY-499

Proposed by Srinivasa Raghava-AIRMC-India ELEGANT INEQUALITY-499 Solution 1 by Adrian Popa-Romania, Solution 2 by Ravi Prakash-New Delhi-India

#### LIMIT-618

Proposed by Surjeet Singhania-India LIMIT-618 Solution by Rana Ranino-Setif-Algerie