Consider a radioactive nucleus A which decays to a stable nucleus C through the following sequence
`A to B to C`
Here B is an intermediate nuclei which is also radioactive. Considering that there are `N_(0)` atoms of A initially , plot the praph showing the variation of number of atoms of A and B versus time.

Explanation

To solve the problem of plotting the variation of the number of atoms of radioactive nuclei A and B versus time, we can follow these steps:

### Step 1: Understand the Decay Process
- Nucleus A decays into nucleus B, which is also radioactive, and then B decays into stable nucleus C.
- Initially, we have \( N_0 \) atoms of A, and the number of atoms of B and C is zero.

### Step 2: Write the Decay Equations
- The decay of A can be described by the equation:
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