TN TET · Mathematics and Science (Paper II)
Polynomials, equations, exponents and algebraic identities.
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Q1 · Algebra · EASY
If x + 1/x = 5, then what is the value of x² + 1/x²?
Q2 · Algebra · MEDIUM
Simplify: (2x + 3)(2x - 3) - (2x - 5)²
Q3 · Algebra · EASY
If 2^(x+1) = 32, then what is the value of x?
Q4 · Algebra · MEDIUM
The sum of the roots of the quadratic equation 3x² - 7x + 2 = 0 is:
Q5 · Algebra · HARD
If a + b + c = 9 and ab + bc + ca = 26, then what is the value of a² + b² + c²?