If $\alpha$ and $\beta$ are the roots, the quadratic equation is $x^2 - (\alpha + \beta)x + \alpha \beta = 0$.

A single tax system in India covering goods and services.
Components:
- CGST: Central Goods and Services Tax (paid to Central Government).
- SGST: State Goods and Services Tax (paid to State Government).
- UTGST: Union Territory Goods and Services Tax (for Union Territories).
- IGST: Integrated Goods and Services Tax (for inter-state trade, paid to Central Government).
GSTIN: Goods and Services Tax Identification Number (15-digit alphanumeric code).
HSN Code: Harmonized System of Nomenclature (for goods).
SAC Code: Service Accounting Code (for services).

Smallest unit of a company's capital.
Face Value (FV): Value printed on the share certificate.
Market Value (MV): Price at which shares are bought/sold in the stock market (fluctuates).
Dividend: Part of company's profit distributed to shareholders (calculated on FV).
Sum Invested: Number of shares $\times$ MV.
Rate of Return: $\frac{\text{Dividend Income}}{\text{Sum Invested}} \times 100$.

Professionally managed investment schemes where money from multiple investors is pooled to invest in securities.
Units: Shares in a mutual fund.
Net Asset Value (NAV): Market value of one unit.
Systematic Investment Plan (SIP): Regular investment of small amounts over time.

An experiment where all possible outcomes are known in advance, but the exact outcome cannot be predicted with certainty.
Each outcome has an equal possibility of occurring.