Find the value of `"^(12)P_2`

Find the value of "^4P_3 .

Let p(x) be a polynomial of degree 4 having extremum at x = 1,2 and lim_(x->0)(1+(p(x))/x^2)=2. Then find the value of p(2).

Find the value of 11^2 + 12^2 + ..... + 20^2

Find the values of (1)/(12!) + (1)/(10! 2!) + (1)/(8!4!) + …+ (1)/(12!)

If x-y=5 and xy=12, find the value of x^2+y^2

Find the value of: (-7)/12 div ((-2)/13)

Find the value of: tan((13pi)/12)

Find the value of -12 +(-98)-(-84)-(7).

If p = – 10, find the value of p^2 – 2p – 100