In how many ways can four Mathematicians be selected from...
In how many ways can four Mathematicians be selected from six ?
90
60
15
360
Correct answer is C
\(=^6C_4\)
\(=\frac{6!}{(4!\times2!)}\)
\(=\frac{6\times5}{2\times1}\)
= 15
If ( 1- 2x)\(^4\) = 1 + px + qx\(^2\) - 32x\(^3\) + 16\(^4\), find the value of (q - p)...
Find the nth term of the linear sequence (A.P) (5y + 1), ( 2y + 1), (1- y),... ...
Evaluate \(\int_{1}^{2} \frac{4}{x^{3}} \mathrm {d} x\)...
If (x + 1) is a factor of the polynomial \(x^{3} + px^{2} + x + 6\). Find the value of p....
Age in years 10 - 14 15 - 19 20 - 24 25 - 29 30 - 34 Frequency 6 8 14 10 12 ...