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Question

A straight line passing through point (2,3) have a slope α. What will be the value of α (slope) at point (2,2) ?

A
4
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B
13
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C
14
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D
23
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Solution

The correct option is C 14

We know, point-slope form is: (y – y1) = m(x – x1)

Putting the values of m, x1 and y1 in the equation we get,

⇒ (y – 3) = (α)(x – 2)
Now, we have to find slope at (2,2).

So, putting the values of x and y coordinate in the equation of straight line we get
(23)=α(22)α=14


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