PMI-Part 1

Prove by PMI that 1.2+2.3+3.4+....+n(n+1)=((n)(n+1)(n+2))/(3),AA n in N

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Mechanics Revision Part 1

Radiation Part 1

Drugs Part 1

What is the full form of the term PMI? It is an indicator of business activity both in the manufacturing and services sectors?

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