Find all real solutions of the equation(u+7)2=63 After simplifying, the solutions should look like u=A±B√C      A=                      B=                       C=

Q: Illustration 2 If the roots of equation - 2cx + ab = 0 are real and unequal, then prove that the…

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Q: Plot the complex number and its complex conjugate. 9 - 6i Imaginary axis 10- 8

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Q: Simplify (7 + 3i) 2 [(2 + i) 2 (3 - 4i)].

A: Given, (7+3i)2(2+i)2(3-4i)

Q: If (x + yi)( 2 - 4i) = 14 - 8i, find x O 3 O 5

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Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.