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anonymous
 5 years ago
Q11 How many numbers consisting of two digits can be formed from 2, 3 5,7. Each integer is to be used only once.
a. 10 b. 12 c. 14 d. 16
anonymous
 5 years ago
Q11 How many numbers consisting of two digits can be formed from 2, 3 5,7. Each integer is to be used only once. a. 10 b. 12 c. 14 d. 16

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anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0see you have to find the permutations of 2 objects (2 digits) from 4 possible digits. So basically you have to calculate all the ways of arranging 4 things in 2 places. The formula for that is 4P2

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0or you just think about 4 objects with 2 spaces the first space has 4 ways of being filled, then once we have used that number we only have 3 numbers left, so the second space can be filled in 3ways

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0A square matrix A is symmetric if A = ? a. At b. A c. – A d. A1

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0i dont know how..i hate matrices neway..jst try transposing for a symmetric matrix and see

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0For any positive rational number k, and any real number c, which of the following is incorrect? a. c = c b. c = c c. = 0 d. = 0 e. All are correct 13 minutes ago

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0him can u plz solve this

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0a.limxaprochinf c = c b limitxaprochinf. c = c c.limitxaprochinf c/x^k = 0 d.limitxaprochinfinf c/x^k = 0 e. All are correct

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0him can u solve it now
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