Quadratic EquationHard
Question
The number log2 7 is
Options
A.an integer
B.a rational number
C.an irrational number
D.a prime number
Solution
Let x = log2 7
⇒ 2x = 7
Which is only possible for irrational number
⇒ 2x = 7
Which is only possible for irrational number
Create a free account to view solution
View Solution FreeMore Quadratic Equation Questions
Let $p(x) = x^{6} + ax^{5} + bx^{4} + x^{3} + bx^{2} + ax + 1$. Given that 1 is a root of $p(x) = 0$ and -1 is not. What...If a + b + c = 0, then the quadratic equation 3ax2 + 2bx + c = 0has...Roots of the equation ( a + b − c) x2 − 2ax + ( a− b + c) = 0, ( a,b,c ∈ Q) are -...The factors of 2x2 − x + p are rational if -...The equation $x^{2} - 4ax + 1 = 0$ has real roots gien by $\alpha$ and $\beta$, where a is real. Then the complete set o...