[ 0 + 7i ] and [ 0 - 7i ] is.
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Imaginary number
√-48 + 35 + √ 25 + √-27 = √[(i2)(16)(3)] + 35 + 5 + √[(i2)(9)(3)] = 4i√3 + 38 + 9i√3 = 38 + (13√3)i
In most case you must multiply the number by itself.When the number is irrational ( meaning it cannot be expressed as a fraction,) you may end up with a one that is rational ( can be expressed as a fraction).For example, the 2 squared is 2x2=4square root of 2 is irrational but square root of 2 times itself is 2.Pi is an irrational number but PixPi is Pi2 which is still irrational.Even complex numbers can be squared by multiplying the number by itself.So a+bi is a complex number and (a+bi)2 =(a+bi)(a=bi) where i is the square root of -1.
The absolute value of a complex number a+bi is the square root of (a2+b2). For example, the absolute value of 4+9i is the square root of (42 + 92) which is the square root of 97 which is about 9.8489 (The absolute value of a complex number is not complex.)
The sum of two squares cannot be factored. It can be represented thus: a^2 + b^2 = (a + bi)(a - bi) In this expression, the i is the symbol for the imaginary number the square root of -1. A squared + B squared = C squared. Assuming A, B, and C are the three sides of a right triangle, also assuming C is the hypotenuse.