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What is the gradient of a line whose angle of inclination is 150° ?
We know that gradient of a line is The
slope of this very line.
Let m be the slope of the given line, then,
Gradient =m= tan150°
=tan(180°-30°) = - tan 30° = -1/√3 Ans.
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Check whether 7+3x is a factor of 3x^3+7x ? [ncert]
Now take 7+3x=0 =>3x= -7 => x= -7/3 => If p(x)=3x^3+7x , then, => p(-7/3) = 3(-7/3)^3+7(-7/3) =...
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Rules for Solving a Linear Inequality <, >, ≤ and ≥ are known as signs or an inequality. Rule 1 If a positive number is added to both ...






