HSC Arts Class 11 - Tamil Nadu Board of Secondary Education Question Bank Solutions

Discuss the nature of roots of 9x² + 5x = 0

Without sketching the graph, find whether the graph of the following function will intersect the x-axis and if so in how many points
y = x² + x + 2

Without sketching the graph, find whether the graph of the following function will intersect the x-axis and if so in how many points
y = x² − 3x − 7

Without sketching the graph, find whether the graph of the following function will intersect the x-axis and if so in how many points
y = x² + 6x + 9

Write f(x) = x² + 5x + 4 in completed square form

Solve 2x² + x – 15 ≤ 0

Solve – x² + 3x – 2 ≥ 0

Choose the correct alternative:
Find a so that the sum and product of the roots of the equation 2x² + (a − 3)x + 3a − 5 = 0 are equal is

Choose the correct alternative:
If a and b are the roots of the equation x² − kx + 16 = 0 and satisfy a² + b² = 32, then the value of k is

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The number of solutions of x² + |x − 1| = 1 is

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The equation whose roots are numerically equal but opposite in sign to the roots of 3x² − 5x − 7 = 0 is

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If 8 and 2 are the roots of x² + ax + c = 0 and 3, 3 are the roots of x² + dx + b = 0, then the roots of the equation x² + ax + b = 0 are

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If a and b are the real roots of the equation x² − kx + c = 0, then the distance between the points (a, 0) and (b, 0) is

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The number of roots of (x + 3)⁴ + (x + 5)⁴ = 16 is

Find the principal solution and general solution of the following:
sin θ = `-1/sqrt(2)`

Find the principal solution and general solution of the following:
cot θ = `sqrt(3)`

Find the principal solution and general solution of the following:
tan θ = `- 1/sqrt(3)`

Solve the following equations for which solution lies in the interval 0° ≤ θ < 360°

sin⁴x = sin²x

Solve the following equations for which solution lies in the interval 0° ≤ θ < 360°

2 cos²x + 1 = – 3 cos x

Solve the following equations for which solution lies in the interval 0° ≤ θ < 360°

2 sin²x + 1 = 3 sin x