Step 1:

Observe the circuit.

Node between the resistors $\"\"$ and $\"\"$ makes the connection parallel and node between the resistors $\"\"$ and $\"\"$ .

Hence the resultant resistance of $\"\"$ and $\"\"$ is in parallel with $\"\"$ .

Thus, the three resistors are in parallel.

Redraw the circuit.

$\"\"$

Resultant resistance of parallel resistors formula: $\"\"$ .

Substitute $\"\"$ in the above expression.

$\"\"$

Equivalent resistance is $\"\"$ .

Solution :

Equivalent resistance is $\"\"$ .