Solve the following equation = x^2 + 1 = 7/15
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x^2 + 1 = 7/15
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Answer:
= x^2 + 1 = 7/15
simplying this we get
Solve : 15x2+8 = 0
Subtract 8 from both sides of the equation :
15x2 = -8
Divide both sides of the equation by 15:
x2 = -8/15 = -0.533
When two things are equal, their square roots are equal. Taking the square root of the two sides of the equation we get:
x = ± √ -8/15
In Math, i is called the imaginary unit. It satisfies i2 =-1. Both i and -i are the square roots of -1
Accordingly, √ -8/15 =
√ -1• 8/15 =
√ -1 •√ 8/15 =
i • √ 8/15
The equation has no real solutions. It has 2 imaginary, or complex solutions.
x= 0.0000 + 0.7303 i
x= 0.0000 - 0.7303 i
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