Answer :
Given:
The curve is y = 2x2 – x + 1and the line y = 3x + 4
First, we will find The Slope of tangent
y = 2x2 – x + 1
⇒ (2x2) –
(x) +
(1)
⇒ = 4x – 1 ...(1)
y = 3x + 4 is the form of equation of a straight line y = mx + c,where m is the The Slope of the line.
so the The Slope of the line is y = 3(x) + 4
Thus, The Slope = 3. ...(2)
From (1) & (2),we get,
4x – 1 = 3
⇒ 4x = 4
⇒ x = 1
Substituting x = 1in y = 2x2 – x + 1,we get,
⇒ y = 2(1)2 – (1) + 1
⇒ y = 2 – 1 + 1
⇒ y = 2
Thus, the required point is (1,2)
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