Sum of two Complex numbers
If Z 1 = a + ib and Z 2 = x + iy, then we define their sum as Z 1 + Z 2 = (a + ib) + (x + iy) = (a + x) + i(b + y) which is a complex number..
Symmetric Difference of two sets
If A and B are two sets, we define their symmetric difference as the set of all elements that belong to A or to B, but not both A and B, and we denote it by A D B. Thu..
If A and B are two sets, we define their symmetric difference as the set of all elements that belong to A or to B, but not both A and B, and we denote it by A D B. Thu..To insert n Harmonic Means between two given quantities
Let a and b be two given quantities. It is required to insert n harmonic means h 1 , h 2 , h 3 ,....h n between the quantities a and ..
Example 1:
Determine whether x-2 is a factor of x 2 -7x+1..
Example 1:
Find the compounded ratio of a) 5:14 and 7:15 b) a+b:a-b; (a 2 -b 2 ):(a 2 +b 2 ) and a 2 +b 2 :(a+b) 2..
Question 1
Question: List the elements of the following sets. Answer: i) Omit o and u from the vowels a, e, i, o, u to get {a,e,i} ii) There are exactly two such names {Karnataka, Kerala..
Question: List the elements of the following sets. Answer: i) Omit o and u from the vowels a, e, i, o, u to get {a,e,i} ii) There are exactly two such names {Karnataka, Kerala..Example 1:
Factorise a 2 + 16a + 2..
Question 1
Question: Define an even number. Answer: A number which is divisible by 2 is called an even number..
Example 1:
Find the remainder when 2x 3 +4 is divided by a) x-1 b) x-2 d) x+1..
Find the remainder when 2x 3 +4 is divided by a) x-1 b) x-2 d) x+1..Irrational numbers 1 Animation
Rational and Irrational Numbers..
Rational and Irrational Numbers..See what our Users say :
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