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Scarlett Bashirian
Wiki User
∙ 14y ago[ 2 - sqrt(-5) ]2 = [ 2 - i sqrt(5) ]2 = 4 + 5 -4i sqrt(5) = 9 - 4 i sqrt(5)
" i " = sqrt(-1)
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How do you work out 7 - square root of 5 squared?
2
How do you simplify 5 root 21 squared?
5*root(21^2) = 5*21 = 105
What is the square route of 5 squared minus 4 squared?
5 squared is 25 4 squared is 16 25-16= 9 the square root of 9 is 3.
The square root of 81 is how much less than 7 squared?
well, the square root of 81 is 9, and seven squared is 49, so it wud be 40
What is b if 3b squared equals 5?
b is the square root of 5/3
How do you work out 7 - square root of 5 squared?
2
Is the square root of 5 squared a rational number?
The square root of 5 squared is 5, which is a rational number.
What is the derivative of 2square root of x?
First, the problem can be rewritten: 2(x^.5) From that step, take the derivative: 2(.5x^-.5) Finally simplify by distribution: x^-.5
What is the square root of negative 5 squared?
5
Square root of 25 is -5?
30
What is the square root of 5b squared over 125?
b over the square root of 5 The square root of 5b squared is 5b, and the simplified form of the square root of 125 is 5 root 5. The 5s then cancel out leaving b over the square root of 5.
What is negative two times the square root of six?
2square times 6 cube is 20
How do you simplify 5 root 21 squared?
5*root(21^2) = 5*21 = 105
Square root of 27 plus 2 times 3 square rooted?
5 Square root 3. square root 27 = square root 9*3 = 3square root 3 3square root3 + 2square root3 = 5Square Root3 because both have a square root 3.
2x squared -1 equals 6x?
We can rewrite this as 2x2 -6x-1=0 Now if you want to solve this, you can use the quadratic equation. a=2 b=-6 c=-1 So x= [6+ or - ( square root of (36+8) ]/ 4 = [6+ or - (2square root of (11))/]4
What is the square route of 5 squared minus 4 squared?
5 squared is 25 4 squared is 16 25-16= 9 the square root of 9 is 3.
Is the square root of 5 closer to 2 or 3?
The square root of 5 is closer to 2. 2 squared is 4 and 3 squared is 9. 4 is much closer to 5 than 9.
