There are four roots of ,

Step-by-step explanation:  

Given:  

Let  

Now solving the equation we get:  

Now, solving for two values of , we get;  

Now re-substituting value of , we get;  

Now we have two quadratic equation we solve for each,  

1) We will solve for  

Using quadratic formula to solve it. This gives,  

Here  

hence,  

2) We will solve for  

Using quadratic formula to solve it. This gives, 

here

Hence, from 1 and 2, we find there are 2 real roots and 2 imaginary roots.

1)is not similar since corresponding sides are not in the same ratio

2)are similar since corresponding sides are in the same ratio and corresponding angles are equal

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