In how many ways can the letters of the word 'ELECTIV...
In how many ways can the letters of the word 'ELECTIVE' be arranged?
336
1680
6720
20160
Correct answer is C
The word has 8 letters with one letter repeated 3 times, therefore we have:
8!3!=6720 ways.
Given that tanx=512, and tany=34, Find tan(x+y)....
Express 23−√7 in the forma+√b, where a and b are integers....
Consider the following statements: p: Birds fly q: The sky is blue r: The grass is green W...
Find the gradient to the normal of the curve y=x3−x2 at the point where x = 2....
If nC2 = 15, find the value of n...
A function f defined by f : x -> x2 + px + q is such that f(3) = 6 and f(3) = 0. Find the va...
A function f is defined by f:x→x+2x−3,x≠3.Find the inverse of f&...
If x+P(x−1)(x−3)=Qx−1+2x−3, find the value of (P + Q)...
Express 134π radians in degrees....
A body is kept at rest by three forces F_{1} = (10N, 030°), F_{2} = (10N, 150°) and \(F_...