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Line passing through 2 points
Basic Accuracy: 35.19% Submissions: 441 Points: 1

Given two points P(a, b) and Q(c, d) in the coordinate plane, find the equation of the line passing through both the points.

Example 1:

Input: P = (3, 2)
Q = (2, 6)
Output: 4x+1y=14
Explaination: Using the formula to get
line equation from two points we can
get it.

Example 2:

Input: P = (3, 2)
Q = (5, 7)
Output: 5x-2y=11
Explaination: If we use the formula to
get line equation from two points we
get this equation.

Your Task:
You do not need to read input or print anything. Your task is to complete the function getLine() which takes the values a, b, c and d as input parameters and returns a string which represents the equation.

Expected Time Complexity: O(1)
Expected Auxiliary Space: O(1)

Constraints:
1 ≤ a, b, c, d ≤ 105

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Line passing through 2 points